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Behavioral sink" is a term invented by ethologist John B. Calhoun to describe a collapse in behavior that can result from overpopulation. The term and concept derive from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. [ 1 ]
John Bumpass Calhoun (May 11, 1917 – September 7, 1995) was an American ethologist and behavioral researcher noted for his studies of population density and its effects on behavior. He claimed that the bleak effects of overpopulation on rodents were a grim model for the future of the human race.
The gas cloud initially rose at nearly 100 kilometres per hour (62 mph; 28 m/s) and then, being heavier than air, descended onto nearby villages, suffocating people and livestock within 25 kilometres (16 mi) of the lake, resulting in the death of 1,746 people and 3,500 livestock. [377] [378] [verification needed] [379] Marc Aaronson: 30 April 1987
Image credits: TheZipCreator To find out more about [Stuff] Americans Say, we reached out to the group’s moderator team.Lucky for us, one member was kind enough to have a chat with Bored Panda ...
The way Debbie described Joseph, the moral pain would have been acute. “He loved people. He would do anything for anyone,” Debbie said. He was convinced, she said, that the rocket he fired had gone through the head of one of the children. Even before One-Six got back to Camp Lejeune in July 2010, Navy psychologists had diagnosed Joseph with ...
Humans have been lucky when it comes to avoiding sizeable meteors and mass die-offs. However, if one measuring 50-meters-wide and speeding towards Earth at roughly 9 miles per second exploded in ...
“There is no medication without risk. People die every year from aspirin. People have penicillin allergies,” he said. Kleber has been a pioneer in the use of medically assisted treatments since founding a methadone clinic in the ’60s, and he was among the first to open a Suboxone clinic in the U.S.
Rat Park was a series of studies into drug addiction conducted in the late 1970s and published between 1978 and 1981 by Canadian psychologist Bruce K. Alexander and his colleagues at Simon Fraser University in British Columbia, Canada.