Shrew Brains Shrink During Winter
Shrew Brains Shrink During Winter
The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.
Shrew Brains Shrink During Winter
Shrew Brains Shrink During Winter

The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.

The animals kill off around one-quarter of the neurons in their somatosensory cortex, perhaps to save energy, and the cells appear to return the following summer.

mammals
Bat Ecologist Thomas Kunz Dies
Bat Ecologist Thomas Kunz Dies
Claire Jarvis | Jun 5, 2020
The Boston University professor, who died of complications related to COVID-19, spent more than 40 years researching the lives of bats.
Image of the Day: Olfactory Capacities
Image of the Day: Olfactory Capacities
Amy Schleunes | Apr 15, 2020
Most small amphibious mammals have a diminished sense of smell, a quality that likely arose because of a tradeoff with thermoregulation capacities that allowed them to conserve heat in aquatic environments.
Image of the Day: Hair Strength
Image of the Day: Hair Strength
Emily Makowski | Dec 18, 2019
Thin strands tend to be stronger than thick ones.
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
Emily Makowski | Dec 6, 2019
An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.
Image of the Day: Chevrotain Caught on Camera
Image of the Day: Chevrotain Caught on Camera
Emily Makowski | Nov 12, 2019
The silver-backed chevrotain was undetected for decades, but local reports have led researchers to document the species on camera.
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Trove of Fossils Shows Mammal Evolution after Dino Extinction
Emily Makowski | Oct 25, 2019
The site, Corral Bluffs in Colorado, also reveals how plants evolved and how ecosystems rebounded after the asteroid impact.
Image of the Day: Pika Populations
Image of the Day: Pika Populations
Emily Makowski | Sep 24, 2019
Geography plays a role in how the small mammals adapt to environmental changes.
EPA Aims to Drastically Reduce Animal Testing
EPA Aims to Drastically Reduce Animal Testing
Emily Makowski | Sep 11, 2019
The agency plans to stop funding virtually all toxicology studies in mammals by 2035.
Oldest Known Parasites Found in Ancient Puma Feces
Oldest Known Parasites Found in Ancient Puma Feces
Chia-Yi Hou | Aug 28, 2019
Researchers isolate roundworm DNA from animal excrement that is about 17,000 years old.