Fossils From the Dawn of Humanity
New find may represent the earliest known human ancestors
Evolution
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Water Bugs Flee the Flood
Insects give an old behavior a new twist -
Salamanders Stretch Themselves Thin
Ideal body shape for burrowing evolved twice independently -
Malaria: a Young Scourge
Genetic study suggests killer started worldwide march less than 12,000 years ago -
Fungi Had Rocky Relationship
Many fungi once partnered as lichens but became independent -
The Tiniest Mammal Ancestor
195-million-year-old relative was no bigger than a paper clip -
A Dolphin Joins the Whales
Ganges River dolphin has unexpected links to sperm whale -
Love Me, Love My Scent
Perfumes can intensify our genetically determined body odors -
A Branch in Feather Evolution
New look at a dinosaur suggests feathers evolved from thin strands -
On the Horns of a Dilemma
For male beetles, having big horns means that other organs suffer -
Bacteria-Crossed Wasp Lovers Reunite
Infections separate otherwise compatible insect species -
Don't Eat Me! I'm With Those Guys
Field experiment on butterflies finally proves an untested evolutionary theory -
Back in the Saddle Again, and Again
Remarkable genetic diversity suggests that horses were domesticated more than once -
Evolution's Rewind Button
Study suggests evolutionary changes are reversible--sometimes -
Evolution on the Fast Track
Some populations may grow apart quickly, studies suggest -
A Tongue That Doesn't Slip
Suction explains chameleons' extraordinary lingual power
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