Life has adapted to all sorts of extreme environments on Earth, among them, animals like the deer mouse, shimmying and shivering about, and having to squeeze enough energy from the cold, thin air to fuel their bodies and ...
Evolution
Apr 7, 2015
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26
University of Utah researchers dusted wild deer mice with fluorescent pink, blue, green, yellow and orange talcum powders to show which rodents most often fought or mated with others and thus were most likely to spread deadly ...
Jan 7, 2009
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Scientists studying mice from the Andes Mountains in Patagonia noticed something they couldn't explain: the mice from the western side of the mountains were bigger than the ones from the east, but DNA said that they were ...
Plants & Animals
Sep 1, 2022
1
455
Nature vs. nurture has long been one of the great debates in science—is behavior hard-wired into the brain, or determined by environment? In at least some cases, Harvard researchers are showing, how animals behave is in ...
Plants & Animals
Jan 16, 2013
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0
(PhysOrg.com) -- Scientists at Harvard University are moving closer to answering some age-old questions. How did the leopard get its spots? How did the zebra get its stripes?
Biotechnology
Feb 24, 2011
2
0
(PhysOrg.com) -- Biologists have long known how adaptive evolution works. New mutations arise within a population and those that confer some benefits to the organism increase in frequency and eventually become fixed in the ...
Evolution
Aug 10, 2009
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0
Mice living at high altitudes in the American West carry a genetic variant that increases their heart rate, helping them cope with the low oxygen levels that occur at high elevations. Rena Schweizer of the University of Montana ...
Plants & Animals
Nov 7, 2019
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100
According to a well-studied but controversial principle known as Bergmann's Rule, species tend to be larger in cold climates and smaller in warm ones. As human impacts heat the planet, will animals shrink over time?
Plants & Animals
Jun 1, 2020
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32
For deer mice living in the Nebraska Sandhills, color can literally be the difference between life and death.
Evolution
Mar 14, 2013
3
0
When mammals are cold, they can employ physical changes to stay warm -- such as intense shivering. Like any form of aerobic exercise, though, "shivering thermogenesis" is especially challenging at high altitudes because there ...
Plants & Animals
May 17, 2012
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