Flying south for the winter?

Flying south for the winter?
A look at long-distance migration reveals surprising pattern. Migration did not originate in the tropics, home of bird diversity. More »

Problems of the apes

Problems of the apes

Bad feet? Aching back? Impacted wisdom teeth? Blame balky designs inherited from your relatives. How has evolution equipped — or More »

Moles smell in stereo!

Moles smell in stereo!

A common mole never sees the light of day, but it can pinpoint the source of food in just a few seconds — thanks to its newfound More »

Mapping evolution

Mapping evolution

Research in salty ponds shows how one species of pupfish becomes three — in a few cases. More important, it shows why this did not More »

Counting bugs in Panama

Counting bugs in Panama

Life is biology is species: But how many species live on Earth? About six million arthropods (insects, spiders and crustaceans), says a More »

Love life of the firefly

Love life of the firefly

An alluring flash pattern is only the first step in firefly reproduction. Females actually pay more attention to the “nuptial gift” More »

First forest: New details emerge

First forest: New details emerge

Returning to the site of a classic “first forest” site, New York scientists have found extra complexity: three fossilized trees-like More »