hibernation

Spiky Baby Killers: Echidna Secrets Revealed

An egg-laying, spiny mammal with a four-headed penis is already pretty bizarre, but it turns out short-beaked echidnas are even stranger than we thought. Weighing up to nine pounds (four kilograms) and resembling a big hedgehog, the short-beaked echidna is ...

Could People Hibernate? Lemurs Give Clues

Ever wished you could hibernate? Ask a fat-tailed dwarf lemur how it’s done. These mini-primates have a talent that could help save human lives. Fat-tailed dwarf lemurs are the only primates that can hibernate, according to a new study ...