Not Dead Yet
Chemical signals save Argentinian ants from being wrongly carted off for dead.
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Birdsong & Climate
Birds that live in more variable climates sing more sophisticated songs.
New Species Roundup
New species are still being discovered all over the world.
Frogs Fight Disease
Some frogs produce chemicals that could be used to treat human diseases.
Cow Methane
Geneticists say cattle can be bred to be more environmentally friendly.
Mercury’s Surface
The MESSENGER spacecraft is giving scientists a first look at an entire half of the planet Mercury.
Color Change Roundup
Color-changing plastics could indicate when they've been structurally damaged.
Spider Silk
Treating spider silk with a chemical process makes it strong and tough.
Lookalike Species
Some animals that look exactly alike may be genetically separate species.