Why Hair Isn't Sexy
Did humans lose their body hair to shed parasites?
Evolution
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Evolution Booster
Genetic mix and match speeds the evolution of specialized insects -
Why Wolves Aren't Man's Best Friend
Dogs and wolves differ in how they communicate with humans -
A Flashy Bill of Health
Male birds flaunt their health with bright beaks -
Gnawing Away at Primate Evolution
Tiny fossilized teeth suggest an earlier date for the first primates -
Six Legs Evolved Twice
Not every &qout;insect" is an insect, DNA analysis says -
Underground Fish Back Darwin
Mexican cavefish throw new light on evolution in the dark -
Captivity Genetically Alters Salmon
Hatcheries breed smaller salmon eggs, possibly harming wild fish -
Squirrels Shaped By Global Change
Continental drift, climate shifts helped guide squirrel evolution -
Wanted: Perfect Female for Finicky Male
Male fruit flies are more discriminating than expected in choosing a mate -
The Carnivores' Ark
Madagascar's meat-eaters arrived all at once, by sea -
Three's Company Down on the Ant Farm
Fungus-farming ants, their crop, and a pathogen share a long history -
Up in the Air, Junior
Modern birds suggest evolutionary route to flight -
Walking Sticks Fly Again
Some stick insects got wings back after their ancestors lost them -
Breakthroughs 2002: Evolutionary Headlines
Discovery of an ancient skull fills a crucial gap in human evolution -
Jumbled DNA Separates Chimps and Humans
Gene-chip studies show more differences than previously thought
