Life
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- Climate
Arctic algae show climate change
Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.
- Animals
Python Hearts Pump Up
A Burmese python can increase the size of its heart by 40 percent in just two days.
- Animals
Sleep Affects a Bird’s Singing
Young birds sing badly in the morning but do much better later in the day.
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- Animals
Stunts for High-Diving Ants
When some tree-dwelling ants fall out of their homes, they often control the direction of their tumbles.
- Animals
Insects Take a Breather
Many types of insects appear to control how much oxygen they take in.
- Plants
How a Venus Flytrap Snaps Shut
A Venus flytrap stores energy to allow its hinged leaves to snap shut quickly.
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- 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.
