Related topics: mice · species · brain · neurons · fossil

Helping your fellow rat: Rodents show empathy-driven behavior

The first evidence of empathy-driven helping behavior in rodents has been observed in laboratory rats that repeatedly free companions from a restraint, according to a new study by University of Chicago neuroscientists.

New research challenges evolutionary theory

(PhysOrg.com) -- New research from the University of Reading overturns conventional views on the nature of evolution, arguing that mammals did not develop into their many different forms in one early and rapid burst of evolution ...

Mole rat dental structure similar to a shark

(PhysOrg.com) -- Sharks are capable of continually growing new teeth. As the teeth age, they fall out and new ones move forward similar to that of a tooth conveyor belt. Humans, and most mammals, on the other hand are only ...

Rare albino alligator goes on show in US

An extremely rare albino alligator from the swamps of Louisiana is taking up residence in Washington, dazzling visitors with her brilliant white skin.

Raw sewage: Home to millions of undescribed viruses

Biologists have described only a few thousand different viruses so far, but a new study reveals a vast world of unseen viral diversity that exists right under our noses. A paper to be published Tuesday, October 4 in the online ...

Do lazy mammals live longer?

Small furry mammals partial to a daily dose of hibernation in winter are probably extending their lifespan at the same time, according to a study published Wednesday.

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