Showing posts with label science. Show all posts
Showing posts with label science. Show all posts

1.26.2017

Friday, January 27, 1967: Apollo 1


A flash fire occurred in command module 012 during a launch pad test of the Apollo/Saturn space vehicle being prepared for the first piloted flight, the AS-204 mission. Three astronauts, Lt. Col. Virgil I. Grissom, a veteran of Mercury and Gemini missions; Lt. Col. Edward H. White, the astronaut who had performed the first United States extravehicular activity during the Gemini program; and Roger B. Chaffee, an astronaut preparing for his space flight, died.
     -- Summary, photo by NASA: @

* "Report of Apollo 2014 Review Board" (NASA, April 1967): @
* "Apollo 204 Accident" (report of the Committee on Aeronautical and Space Sciences, U.S. Senate, January 1968): @
* "3 Apollo Astronauts Die In Fire; Grissom, White, Chaffee Caught in Capsule During A Test on Pad" (New York Times): @
* "Three Apollo Spacemen Die As Blaze Sweeps Moonship" (Associated Press): @
* Life magazine, February 3, 1967: @
* Life, February 10: @
* "Apollo 1: The Fatal Fire" (www.space.com): @
* "Apollo 1: The Fire That Shocked NASA" (Scientific American): @
* Summary (Smithsonian National Air and Space Museum): @
* "Space Tragedy: Astronauts Die in Apollo Fire" (Universal Newsreel): @
* ABC News report: @ 

1.12.2017

Thursday, January 12, 1967: Cryogenics


Phoenix, Arizona -- The body of an elderly California professor who died of cancer will arrive here this week for storage in a steel capsule at 220 degrees below zero centigrade for an experiment in bringing persons back from the dead, it was learned today.
     Identity of the professor was not disclosed, but the Los Angeles Herald-Examiner said friends reported he was Dr. James Bedford, 73, of Glendale, who died last Thursday.
     The Cryonics Society of California is conducting the experiment. When a cure for cancer is found, the body of the professor will be thawed and an attempt made to revive him, the experimenters said.
     -- United Press International, January 19, 1967. Full story: @
     -- Photo: Robert F. Nelson, left, president of the Cryonics Society of California, and physician-biophysicist Dr. Dante Branol demonstrate the cryogenic freezing process in 1967. Photo by J.R. Eyerman.

* "The cold way to new life" (Life magazine, January 27, 1967): @
* "The First Suspension" (Alcor Life Extension Foundation, 1991): @
* "Inside the Immortality Business" (Josh Dean, 2013): @
* "Freezing People Is (Not) Easy: My Adventures in Cryonics" (Bob Nelson, 2014): @
* "Into the Deep Freeze: What Kind of Person Chooses to Get Cryonically Preserved?" (California magazine, 2015): @
* "50 years frozen: The world's first cryonically preserved human's disturbing journey to immortality" (Quartz, 2017): @
* "Cool dude James Bedford has been cryonically frozen for 50 years" (CNET, 2017): @
* Cryonics Institute: @
* Earlier post on "The Prospect of Immortality" (1964): @


9.06.2016

Tuesday, September 6, 1966: 'Star Trek'


The science-fiction series' first televised episode, "The Man Trap," premieres on Canada's CTV, two days before its American debut on NBC.
     -- Image from TV Guide, September 10-16, 1966

* Summary (from Memory Alpha): @
* Summary (from StarTrek.com): @
* Summary (from tor.com): @
* Script (from chakoteya.net): @
* Full episode (from CBS.com): @
* "TV: Spies, Space and the Stagestruck" (from The New York Times, September 16, 1966): @
* "Original 'Star Trek' Reviewers Just Didn't Get It" (from time.com, 2014): @ 

4.18.2016

Monday, April 18, 1966: AstroTurf


The Los Angeles Dodgers shelled veteran Robin Roberts with a barrage of singles Monday night and defeated the Houston Astros, 6-3, in the first official game played on the Astrodome's infield of synthetic grass. ... Neither club gave indication of concern about the pool table green infield made of tough nylon strips zippered together. There were three errors, but none could be blamed on the carpet-like material that Astro officials plan to extend into the outfield by mid-June.
     -- Story by Associated Press: @
     -- Image by Associated Press from July 1966, showing the installation of Astroturf in the Astrodome outfield.

* www.astroturf.com: @
* "Astroturf Applauded by Dodger" (Associated Press, April 19, 1966; from www.newspapers.com, subscription only): @
* "The Cool Bubble" (Roger Angell, 1966): @
* "The Rise and Fall of Artificial Turf" (Mark Armour, Baseball Analysts, 2006): @
* "MLB's turf wars are just about over" (Associated Press, September 2009): @
* "Materiality and Meaning: Synthetic Grass, Sport, and the Limits of Modern Progress" (Benjamin D. Lisle, 2012): @
* "Turf Wars" (Jennifer Weeks, Chemical Heritage Foundation, 2013): @
* "Movies, Bullfights, and Baseball, Too: Astrodome Built for Spectacle First and Sports Second" (Eric Robinson, Society for American Baseball Research, 2014): @
* "Monofilament Ribbon Pile Product" (Patent, 1967): @
* Earlier post on the Astrodome (April 1965): @

4.11.2016

Monday, April 11, 1966: LSD in the United States


Sandoz Pharmaceuticals, the nation's only licensed distributor of LSD, has ceased distribution of the hallucinatory drug in this country. LSD, or lysergic acid diethylamide, is produced by the company's parent concern, Sandoz Ltd., in Switzerland. ... The company had informed the federal food and drug administration in Washington that it was withdrawing its investigational drug application because of "unforeseen public reaction." Authorities said the drug produced extreme sensations of color, sight and taste, breaking down the sense of reality.
     -- From Associated Press: @
     -- Image from Life magazine, March 25, 1966: @

* LSD information (National Library of Medicine, National Institutes of Health): @
* LSD information (www.erowid.org): @
* "How LSD was popularized" (Schaeffer Library of Drug Policy): @
* "Legend of a Mind: Timothy Leary & LSD" (The Pop History Dig): @
* www.lysergia.com: @
* The Albert Hofmann Foundation: @
* "History of Sandoz Pharmaceuticals" (The Herb Museum): @
* "Acid Dreams: The Complete Social History of LSD: The CIA, The Sixties, and Beyond" (Martin A. Lee and Bruce Shlain, 1985): @
* "Storming Heaven: LSD and the American Dream" (Jay Stevens, 1987): @ 
* "Drugged: The Science and Culture Behind Psychotropic Drugs" (Richard J. Miller, 2014): @ 
* "Acid Hype: America News Media and the LSD Experience" (Steven Siff, 2015): @

2.03.2016

Thursday, February 3, 1966: Luna 9


A Soviet space station made history's first soft landing on the moon Thursday, Moscow announced. British scientists in England said the unmanned capsule, Luna 9, sent pictures back to earth from the moon's surface. A Tass announcement said the landing was made ... after the ship, launched Jan. 31, had hurtled through space for more than three days. The first American attempt at a soft landing, a key step in putting a man on the moon, is not expected before May. A soft landing means bringing an instrument package down on the surface slowly enough so that there is no crash and resultant destruction.
     -- Associated Press: @
     -- Image from Jodrell Bank Centre for Astrophysics, University of Manchester: @  (More from Jodrell Bank: @)

* "Soviets Soft Land on Moon" (St. Petersburg Times): @
* "Soviet's Luna 9 Lands on Moon, Photos Sent" (United Press International): @
* Summary from BBC: @
* Summary from NASA: @ and @
* Summary from Zarya: @
* "The Search for Luna 9" (Air & Space magazine, September 2015): @
* "The forgotten moon landing that paved the way for today's space adventures" (The Conversation, February 2016): @
* "How Russia Beat the U.S. to the Moon" (The Daily Beast, February 2016): @ 

11.06.2015

Saturday, November 6, 1965: 'Restoring the Quality of Our Environment'


Rachel Carson's "Silent Spring" brought public attention to the pesticide menace contaminating the environment, but this only dealt with one portion of the problems Americans started referring to as "pollution." Evidence of this growing national concern was the appointment of an Environmental Pollution Panel by the President's Science Advisory Committee. In 1965 the panel produced a report that chronicled the concerns that dominated environmental policy and legislation for the reminder of the 20th century. ... The panel explained that air, water and land pollution threatens the "health, longevity, livelihood, recreation, cleanliness and happiness of citizens" who cannot escape their influence. ... Consistent with Carson's explanation of the dangers of DDT, the panel made an ecological argument for the necessity of federal environmental management.
     -- "Social History of the United States" (2009): @

In a comprehensive report titled "Restoring the Quality of Our Environment," the PSAC Environmental Pollution Panel (President's Science Advisory Committee, 1965) considered pollution in its broadest contest and made more than a hundred specific recommendations. The philosophy of the panel was based on the assumption that pollution is a by-product of a technological society and that pollution problems will grow with increases in population and improved living standards unless drastic counter-measures to reduce it are taken. The panel offered some sweeping recommendations that placed problems of pollution in a new perspective.
     -- "Land Use and Wildlife Resources" (National Academy of Sciences, 1970): @

A tax on polluters was suggested today by a Presidential advisory group as one way to fight environmental pollution. Environment pollution is a new term that includes such matters as excessive noise and junkyards as well as dirty water and fouled air. The "polluters' tax" was one of more than 100 recommendations made by 14 physicians, scientists and engineers of the President's Science Advisory Committee. The panel advanced in its report a philosophy of "individual rights to quality of living." "There should be no right to pollute," it said. 
     -- New York Times: @

* Full text of report (Hathi Trust Digital Library): @
* President Johnson statement (American Presidency Project): @
* Climate Central: @
* "Top 5 Climate Change Websites" (Carbon Literacy Project): @
* "The Discovery of Global Warming" (American Institute of Physics): @
* "Advancing the Science of Climate Change" (National Research Council, 2010): @
* "The Oxford Handbook of Climate Change and Society" (2011): @

10.02.2015

October 1965: Gatorade


    Gatorade was the result of an offhand question posed in 1965 by assistant football coach Dewayne Douglas to Dr. J. Robert Cade, a professor renal medicine: "Why don't football players ever urinate during a game?" Cade and his team of researchers -- Drs. Alejando de Quesada, Jim Free and Dana Shires -- began investigating dehydration on the sports field -- a topic on which no reliable data existed.
     They soon designed and tested a drink that replaced the electrolytes lost through sweat during intense exercise. With the permission of the coaches, Cade's team was allowed to test the drink on the freshman football team, which unexpectedly beat the upperclassmen in a practice session (Friday, October 1). Ray Graves, Florida's head coach, immediately ordered up a large batch for his varsity squad, and on Saturday, October 2, the Gators upset the fifth-ranked LSU Tigers, 14-7.
     -- Summary from Cade Museum for Creativity + Invention, Gainesville, Florida
     -- Photo of Florida offensive coordinator Ed Kensler and quarterback Steve Spurrier, September 1966; in the early days players drank the mixture from milk cartons provided by the university's Department of Dairy Science. Image from University of Florida.


* "Gators Do It Again, 14-7" (Ocala Star-Banner, October 3, 1965): @
* "The Taste That's Gatorade" (Newspaper Enterprise Association, April 18, 1967): @
* "Gatorade Gives the Gators Their GO!" (All Florida magazine, April 23, 1967): @
* "Guzzling Gatorade" (Red Smith, September 7, 1967): @
* "The Bottle and the Babe" (Sports Illustrated, July 1, 1968): @
* Interview with Robert Cade (1996; University of Florida Digital Collections): @
* "Gatorade: The Idea That Launched an Industry" (Office of Research, University of Florida, 2003): @ 
* "First in Thirst: How Gatorade Turned the Science of Sweat Into a Cultural Phenomenon" (Darren Rovell, 2006): @
* University of Florida historical marker (dedicated 2007): @
* "Raise a Glass to the Father of Energy Drinks" (New York Times, 2007): @
* A Little Glucose, A Little Sodium, One Giant Legend" (The Post, Health Science Center, University of Florida, December 2007-January 2008, page 4): @
* "Dr. Cade Wins the Orange Bowl" (chapter from "It Happened in Florida: Remarkable Events That Shaped Florida History," 2009): @ 
* "Waterlogged: The Serious Problem of Overhydration in Endurance Sports" (Tim Noakes, 2012): @
* "Gator Go: The Story of a Failed Sports Drink" (Home: Living in the Heart of Florida magazine, October 2014): @ 
* "Lightning in a Bottle" (SportsBusiness Daily, 2015): @
* "Innovation Turns 50" (Office of Research, University of Florida): @
* "The Sweat Solution" (ESPN Films, 2015): @

9.03.2015

September 1965: Lead pollution

In the 1965 paper entitled "Contaminated and Natural Lead Environments of Man," Clair C. Patterson made his first attempt to dispel the then prevailing view that industrial lead had increased environmental lead levels by no more than a factor of approximately two over natural levels. ... He compiled the amounts of industrial lead entering the environment from gasoline, solder, paint and pesticides and showed that they involved very substantial quantities of lead compared to the expected natural flux. He estimated the lead concentration in blood for many Americans to be over 100 times that of the natural level, and within about a factor of two of the accepted limit for symptoms of lead poisoning to occur.
     -- From "Clair Cameron Patterson, 1922-1995: A Biographical Memoir" (George R. Tilton, 1998): @

A California geochemist presented in detail yesterday his argument that lead was contaminating the environment to a dangerous degree. A preliminary report by Dr. Clair C. Patterson, a research associate at the California Institute of Technology, was presented earlier in the week, and provoked the lead industry, the petroleum industry (which adds lead to gasoline) and at least one Public Health specialist to challenge his conclusions. The chief issues are whether the lead content in human blood has sharply risen and whether the level is dangerous.
     -- From "Warning is Issued on Lead Poisoning / But Findings of Geochemist on Coast Are Disputed" (New York Times, September 12, 1965): @

* Tyler Prize for Environmental Achievement (1995): @
* Interview with Patterson (California Institute of Technology, 1995): @
* "Protecing Public Health and the Environment: Implementing the Precautionary Principle" (edited by Carolyn Raffensperger and Joel Tickner, 1999): @ 
* "Lead in the Human Environment" (Committee on Lead in the Human Environment, National Research Council, 1980): @
* "Brush with Death: A Social History of Lead Poisoning" (Christian Warren, 2000): @
* "Illness and the Environment: A Reader in Contested Medicine" (2000): @
* "Deceit and Denial: The Deadly Politics of Industrial Pollution" (Gerald Markowitz and David Rosner, 2002): @
* "Clair Patterson's Battle Against Lead Pollution" (Rebecca Adler, thesis, 2006): @
* "Lead Wars: The Politics of Science and the Fate of America's Children" (Markowitz and Rosner, 2013): @
* "The Clean Room" ("Cosmos" episode, April 2014): @ 

8.25.2015

August 1965: Super Ball


This invention relates to a toy and more particularly to a ball or sphere having extremely high resilience and a high coefficient of friction.
     -- "Highly Resilient Polybutadiene Ball" (U.S. Patent Office; filed August 25, 1965; patented March 22, 1966): @



Here's the new SUPER-BALL that bounces like nothing you've ever seen before. Its strange, lively antics will distract classrooms and disrupt the dignity of business offices. Everybody is fascinated by SUPER-BALL, the handball-sized black ball that mysteriously leaps high into the air, darts this way and that, or bounces back in unlikely directions with a new twist.
     -- Advertisement (Family Weekly, November 14, 1965): @ 

Note: The earliest ad I could find was dated August 4, 1965.

* Wham-O product site: @
* www.superballs.com (tribute site): @
* "Kinematics of an Ultraelastic Rough Ball" (Richard L. Garwin, Columbia University, published in American Journal of Physics, January 1969): @
* "How Super Balls Work" (www.howstuffworks.com, 2011): @
* "A Boom with a Bounce" (Life magazine, December 3, 1965): @
* "Can You Invent a Million-Dollar Fad?" (Popular Science, January 1966): @
* "Corny Name, 'Super' Game" (Associated Press, January 6, 1970): @
* Entry from "Toys and American Culture: An Encyclopedia" (Sharon M. Scott, 2010): @

7.14.2015

Wednesday, July 14, 1965: Mariner 4's photos of Mars


Man's first closeup picture of Mars shows a remarkably earth-like desert area -- but gives no hint of an answer to whether they mysterious planet could harbor life. The poorly defined picture snapped as Mariner 4 flew within 10,500 miles of Mars Wednesday was released Thursday night while the U.S. spacecraft was relaying its second picture across 134 million miles of space. Almost half the picture showed only the dark void of space, with but a small portion of the edge of Mars visible in the streaked and smudged frame. (From The Associated Press; full story: @)
     -- Image from NASA; all Mariner 4 photos: @

* "Mariner 4 Makes Flight Past Mars" (The New York Times): @
* Flight details (NASA): @
* "Mariner to Mercury, Venus and Mars" (Jet Propulsion Laboratory): @
* "Mariner 4: First Spacecraft to Mars" (Space.com): @
* "Blast from the past: Mariner 4's images of Mars" (The Planetary Society, 2012): @
* "Looking back at Mariner images of Mars" (The Planetary Society, 2013): @
* Hand-colored image: @ (Jet Propulsion Laboratory) and @ (Dan Goods)

6.01.2015

June 1965: Vacuum of space


Despite the fact that a considerable number of studies have been carried out on the effects of rapid decompression to high altitudes, there is still very little information and data concerning the actual effects of exposures to extremely low barometric pressures -- that is, to pressure environments approaching the near-vacuum of space. This information is becoming increasingly urgent in view of the current manned space flights, the programmed flights to the surface of the moon, and the need for man to function safely within a pressure suit in space. ... The critical situation confronting an aerospace crew should accidental loss of pressure be experienced dictated the use of physiologically normal animals so that the data collected would be as valid as possible to obtain. Normal, anesthetized dogs were therefore used; 126 animals were rapidly decompressed to absolute pressures of 1 to 2 mm. Hg.
     -- From "Experimental Animal Decompressions to a Near-Vacuum Environment" (Bancroft and Dunn, NASA Technical Report, published June 1965): @

* "Human Exposure to Vacuum" (www.geoffreylandis.com): @
* "What happens if you are exposed to the vacuum of space?" (Phil Plait, Discover magazine, 2012): @
* "Human Exposure to the Vacuum of Space" (www.aerospaceweb.org): @
* "The Body at Vacuum" (from "The Engines of Our Ingenuity," University of Houston): @
* "Survival in Space Unprotected is Possible -- Briefly" (Scientific American, 2008): @
* "The Crew That Never Came Home: The Misfortunes of Soyuz 11" (Space Safety magazine, 2013): @
* Summary of Soyuz 11 flight (Encyclopedia Asronautica): @
* "The Effect on the Chimpanzee of Rapid Decompression to a Near Vacuum" (NASA, 1965): @
* "Rapid (Explosive) Decompression Emergencies in Pressure-Suited Subjects (NASA, 1968): @
* "Bioastronautics Data Book" (NASA, 1974; see Chapter 1, "Barometic Pressure"): @ 

4.30.2015

Friday, April 30, 1965: 'Drama of Life Before Birth'


Lennart Nilsson's groundbreaking photography appears in Life magazine. The photos, depicting the development of a fetus from fertilization to age 28 weeks, would become enduring images for their scientific value as well as in the subsequent debate over abortion in the United States. (The magazine said at the time that most of the embryos "had been surgically removed for a variety of medical reasons.")

* April 30 edition: @
* Remembrance (life.time.com): @
* "A Child is Born" (www.lennartnilsson.com): @
* Q&A with Nilsson (www.lennartnilsson.com): @
* Embryo Project Encyclopedia (Arizona State University): @
* "The Lonesome Space Traveller" (from "Making Visible Embryos," University of Cambridge): @
* "Fetal Positions: Individualism, Science, Individuality" (Karen Newman, 1996): @
* "Fetal Subjects, Feminist Positions" (edited by Lynn W. Morgan and Meredith W. Michaels, 1999): @
* "Pregnant Pictures" (Sandra Matthews, 2000): @
* "The Social Worlds of the Unborn" (Deborah Lupton, 2013): @ 

4.19.2015

Monday, April 19, 1965: Moore's Law


Electronics magazine publishes Gordon Moore's paper, "Cramming More Components Onto Integrated Circuits." His observation -- "the amount of computing power available for a given cost has increased and continues to increase by a factor of two every 18 months to 2 years" -- came to be known as Moore's Law.

-- Quoted material from "The Encyclopedia of Cryptography and Security" (2011): @
-- Image (cost vs. time sketch from Moore's 1964 notebook) from Computer History Museum: @

* PDF of Electronics article: @
* "Moore's Law at 50: Its past and its future" (Extreme Tech): @
* "Moore's Law Hits Middle Age" (EE Times, April 2015): @
* "The Multiple Lives of Moore's Law" (IEEE Spectrum, March 2015): @
* "10 images that explain the incredible power of Moore's Law" (Washington Post, April 2015): @
* "Understanding Moore's Law: Four Decades of Innovation" (Chemical Heritage Foundation, 2006): @ 

3.18.2015

Thursday, March 18, 1965: First spacewalk


A Soviet cosmonaut squeezed out of history's highest orbiting manned satellite today and took man's first slowly somersaulting, free-floating swim in outer space. Then he returned to the cabin of his two-man spacecraft, the Voskhod 2, as the Soviet Union took another giant stride in the race for the moon. ... It was the second Soviet team flight in one space capsule, following a three-man, 16-orbit trip last October. It came only five days before America's first planned attempt to orbit a spacecraft with more than one man aboard. ... Alexei Leonov, 30, a chunky lieutenant colonel and a gifted artist, became the first man in history to step into outer space. 
     -- Associated Press: @
     -- Photo from www.spacephys.ru

* "Learning to Spacewalk" (Leonov, for Air & Space magazine, January 2005): @
* " 'Our Walk in Space': The Russian Cosmonauts' Story of their bold first step" (Life magazine, May 14): @
* "Alexei Leonov: The artistic spaceman" (European Space Agency): @
* Short biography (International Space Hall of Fame): @
* Russian news report: @
* Black-and-white footage (French audio): @
* Black-and-white footage (no sound; from www.britishpathe.com): @
* Color footage: @
* Universal Newsreel (from www.criticalpast.com): @ 

2.13.2015

Saturday, February 13, 1965: Tiros-9



The Tiros-9 satellite (also known as Tiros IX) produces the first photomosaic of the world's cloud cover.

Caption: This global photomosaic was assembled from 450 individual pictures taken by Tiros IX during the 24 hours of February 13, 1965. The horizontal white line marks the equator. Special photographic processing was used to increase the contrast between major land areas, outlined in white, and the surrounding oceans. The brightest features on the photographs are clouds; ice in the Antarctic, and snow in the north are also very bright. The clouds are associated with many different types of weather patterns. The scalloping at the bottom shows how the Earth's horizon appears in individual pictures.

(Photo from National Oceanic and Atmospheric Administration; link to larger image: @)

* "U.S. Has Big Wheel Satellite In Orbit" (Associated Press, January 22): @
* NASA summary of Tiros-9: @
* NASA summaries of all Tiros missions: @
* Tiros-9 summary (Florida State University): @
* "Catalogue of Meteorological Satellite Data -- Tiros IX" (Environmental Science Services Administration): @ and @
* "Observation of the Earth and Its Environment: Survey of Missions and Sensors" (Herbert J. Kramer, 2002): @
* "Earth Observations from Space" (National Academy of Sciences): @

1.14.2015

Thursday, January 14, 1965: Hill's Criteria for Causation


     Sir Austin Bradford Hill presents the paper "The Environment and Disease: Association or Causation" at the Royal Society of Medicine in London. 
     "... Hill suggests nine factors to be considered in determining whether a statistical association in a population between exposure to some substance and incidence of some disease or disorder is indicative of causation ..."
     -- Quoted material from "Evidence Matters: Science, Proof and Truth in the Law" (Susan Haack, 2014): @
     -- Chart from "Textbook of Cancer Epidemiology" (2008): @

* PDF of paper: @
* Summary (from Dr. William S. Abruzzi): @
* Summary (from Science-Based Medicine): @ 

11.27.2014

Friday, November 27, 1964: Operation Moneybags

     British soldiers are given LSD as part of research into how the drug might affect their capabilities as well as military operations. From the Imperial War Museum's description of the filmed summary (link: @):
     Introductory title places trial in context of recent research to discover chemical agents able to incapacitate enemy forces but with negligible risk of fatal casualties. ... One Marine in state of distress is comforted by nurse, while others smile and laugh hysterically, one attempting to cut down a tree with his spade, and another climbing the tree. ... After exercise Marines rest in bed in Porton ward ... One very distressed Marine is held by duffel coated doctor and scientist, muttering "I am not going to die."  Cut back to end of the exercise, with Marines departing by truck, before concluding title states that despite promising results of experiment, further research is needed into methods of disseminating drug, the effects of larger doses and establishing economical production techniques. "Despite these and other problems, LSD is regarded in the light of present knowledge as one of the drugs which merits more detailed examination and testing."

* Short clip from film: @
* Excerpt from "Albion Dreaming: A Popular History of LSD in Britain" (Andy Roberts, 2012): @
* House of Commons communications (1995): @
* "Drugged and Duped" (Rob Evans, The Guardian newspaper, March 14, 2002): @
* "Weapons Against the Mind" (Dr. W.M. Hollyhock, New Scientist magazine, April 22, 1965): @ 

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