搜索结果: 1-15 共查到“国际动态 理学 humans”相关记录25条 . 查询时间(0.062 秒)
Can humans endure long-term living in deep space?The answer is a lukewarm maybe, according to a new theory describing the complexity of maintaining gravity and oxygen, obtaining water, developing agri...
In 2020, Denmark culled millions of mink to quell a source of zoonotic COVID-19 transmission, the passage of the SARS-CoV-2 virus between humans and animals.
How humans evolved a super-high cooling capacity（图）
humans evolved super-high cooling capacity
2021/4/23
Humans have a uniquely high density of sweat glands embedded in their skin -- 10 times the density of chimpanzees and macaques. Now, researchers at Penn Medicine and other institutions have ...
Modern humans reached westernmost Europe 5,000 years earlier than previously known（图）
Modern humans reached westernmost Europe 5,000 years earlier previously known
2020/10/10
Modern humans arrived in westernmost Europe 38,000 - 41,000 years ago, about 5,000 years earlier than previously known, according to Jonathan Haws of the University of Louisville and an inte...
Modern humans, Neanderthals share a tangled genetic history, study affirms（图）
Modern humans Neanderthals tangled genetic history
2020/4/17
In recent years, scientists have uncovered evidence that Neanderthals and modern humans interbred. Previous research has shown that Neanderthals who were connected to the Vindija Cave in modern-day Cr...
Humans Don't Use As Much Brainpower As We Like To Think（图）
Humans Don't Use Much Brainpower We Like To Think
2017/11/23
For years, scientists assumed that humans devote a larger share of their daily calories to their brains than other animals. Although the human brain makes up only 2 percent of body weight, it consumes...
Ancient Humans Left Africa to Escape Drying Climate（图）
Ancient Humans Left Africa Escape Drying Climate
2017/10/25
Humans migrated out of Africa as the climate shifted from wet to very dry about 60,000 years ago, according to research led by a University of Arizona geoscientist.Genetic research indicates people mi...
Extinction Mystery Solved? Fossil Evidence Suggests Humans Played a Role in Monkey’s Demise in Jamaica（图）
Extinction Mystery Fossil Evidence Humans Played Monkey’s Demise Jamaica
2017/9/4
Radiocarbon dating of a fossilized leg bone from a Jamaican monkey called Xenothrix mcgregori suggests it may be the one of the most recent primate species anywhere in the world to become extinct, and...
Receptors for Neuron Communication in Humans Vital for Reproduction in Mosses（图）
Receptors Neuron Communication Humans Vital Reproduction in Mosses
2017/9/1
A new study led by José Feijó, professor of cell biology and molecular genetics at the University of Maryland, revealed two previously unknown roles for glutamate receptor-like proteins in plants: con...
Mountain lions fear humans,fleeing when they hear our voices,new study reveals
Mountain lions fear humans they hear our voices
2017/7/24
"Fraidy cat" isn't the way most people think of mountain lions, but when it comes to encounters with humans, perhaps they should.New research into the behavior of these big cats indicates that they do...
Infectious disease transmission in fish,mammals,other animals has implications for humans
Infectious disease transmission fish mammals other animals implications for humans
2017/4/27
Scientists once thought that being part of a community would protect animal populations from infectious disease outbreaks, but now they've learned otherwise, according to a study published this week i...
Humans,not climate change,wiped out Australian megafauna
Humans not climate change wiped out Australian megafauna
2017/2/16
New evidence involving the ancient poop of some of the huge and astonishing creatures that once roamed Australia indicates the primary cause of their extinction around 45,000 years ago was likely a re...
You’re at a crowded party, noisy with multiple conversations, music and clinking glasses. But when someone behind you says your name, you hear it and quickly turn in that direction.The same sort of th...
Ancient extinction of giant Australian bird points to humans
Ancient extinction giant Australian bird
2016/2/22
The first direct evidence that humans played a substantial role in the extinction of the huge, wondrous beasts inhabiting Australia some 50,000 years ago -- in this case a 500-pound bird -- has been d...
Ancient fossils show effect of humans on Caribbean wildlife
Ancient fossils humans Caribbean wildlife
2015/11/12
Nearly 100 fossil species found in a flooded cave on Abaco Island in the Bahamas reveal a story of persistence against all odds--at least until the time humans stepped foot on the islands.Researchers ...