Related topics: protein · cells · brain · genes · immune system

First look at pupil size in sleeping mice yields surprises

When people are awake, their pupils regularly change in size. Those changes are meaningful, reflecting shifting attention or vigilance, for example. Now, researchers reporting in Current Biology on January 18 have found in ...

Hibernating squirrels and hamsters evolved to feel less cold

The ground squirrel and the Syrian hamster, two rodents that hibernate in the winter, do not feel cold in the same way as non-hibernators, such as rats or mice. Yale researchers have discovered that hibernating rodents evolved ...

Preventing psoriasis with vanillin

Small amounts of artificial vanilla extract, also known as vanillin, are in a wide range of products, from baked goods to perfumes. But vanillin's versatility doesn't stop there. In a recent mouse study reported in ACS' Journal ...

Mice in social conflict show rule-observance behavior

Humans have learned to live together by solving most conflicts with compromises and rules rather than aggression. But how did this evolve in the first place? But do animals learn to set up new social rules? A new study from ...

Nicotine's hold: What the gut and gender have to do with it

Many people who smoke or chew tobacco can't seem to escape nicotine's addictive properties. Studies show that women in particular seem to have a harder time quitting, even with assistance, when compared to men. Now, scientists ...

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