Animals
- Animals
Insects Take a Breather
Many types of insects appear to control how much oxygen they take in.
- Animals
Tool use comes naturally to crows
Certain crows appear to be born with an instinct to make and use tools.
- Animals
Geckos’ Sticky Feet Clean Themselves
Tiny hairs on gecko toes can stay nearly dirtfree, helping the lizards cling to ceilings.
- Animals
A fallout feast for crabs
Crabs can take advantage of hot, toxic plumes from undersea vents to feed on poisoned plankton.
- Animals
Blotchy face, big-time wasp
If paper wasps pretend to be something they're not, their peers get angry.
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- Animals
Toxic Birds May Get Poison from Beetles
Eating certain beetles may make the skin and feathers of some birds poisonous.
- Animals
Growing up in dangerous waters
Wild guppies that live in dangerous places don't live fast and die young as scientists previously thought.
- Brain
Fruit fly brain has two clocks
Fruit flies have not one, but two built-in clocks to regulate daily activity.
- Animals
Wintering apart, returning together
Birds that fly off to different places in winter can still manage to return home at the same time in spring.
- Genetics
Gene sleuths track down ivory sources
DNA testing of a tusk's ivory can help identify where the elephant came from.
- Animals
superfast muscles for cooing doves
To coo, a dove's muscles have to contract and relax amazingly quickly.
