Biologist Kate Wilsterman is amazed by pregnancy. This essential mammalian life process is both complicated and dynamic: In addition to creating the next generation, pregnancy requires changes in nearly every organ of the ...
Evolution
Jun 14, 2023
0
17
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
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
0
32
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
0
100
Some species of roundworms are just one millimeter long. Their brains have only 302 neurons, compared to our own 86 billion, and lack any recognizable breathing system. They share only 35 percent of their DNA with human beings.
Cell & Microbiology
Apr 4, 2018
0
44
The burdens of becoming parents are often shared unequally between male and female animals. This is particularly true of species that give birth to live young, where male duties such as defending the breeding territory and ...
Plants & Animals
Sep 5, 2017
0
8
Why is it that some species seem to be particularly attentive parents while others leave their young to fend for themselves? For years, scientists have believed one of the major drivers was experience - an animal raised by ...
Biotechnology
Apr 19, 2017
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19
Washington State University researchers say the popularity of bamboo landscaping could increase the spread of hantavirus, with the plant's prolific seed production creating a population boom among seed-eating deer mice that ...
Ecology
May 7, 2015
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37
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
0
26
Bats: They've had a bad rap thanks to vampire movies and rabies fears, yet these little flying mammals play crucial and largely unappreciated roles in ecosystems.
Ecology
Jun 26, 2014
0
0
