Aug 01 2011
Feminist Elephant Seals Take to the Water
Female southern elephant seals from an island between South Africa and Antarctica are skipping the traditional harems and finding equal opportunity for love at sea.
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Jul 28 2011
Hear My Nectar! Dish-Shaped Leaves Attract Bats
A vine beckons bat pollinators by emitting a strong acoustic echo that helps the bats find their nectar.
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Jul 27 2011
Oldest Bird Was Actually a Dinosaur
Archaeopteryx resembles a recently found two-pound dinosaur and gets knocked off its perch.
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Jul 26 2011
How We Learned to Chew
The muscles involved in chewing have undergone an alteration as animals transitioned from water to land.
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Jul 21 2011
‘Freaky’ Mouse Is Immune to Poison
Mice from different countries have likely interbred, producing a super mouse, resistant to a common poison.
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Jul 20 2011
Chemical Arms Race: Opossum vs. Viper
What's driven vipers to evolve a deadly venom? A need to defend themselves against opossums.
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Jul 12 2011
Pterosaurs Evolutionary Late Bloomers
Pterosaurs ruled the sky with a body form that worked for 70 million years.
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Jul 07 2011
Polar Bears Have Irish Lineage
Some 50,000 years ago, modern polar bears split from a population of Irish brown bears.
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Jun 20 2011
Flying Ants Use Legs, Butts to Steer
When falling from forested canopy, these ants can zip themselves out of a free fall and back into the safety of the treetops.
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Jun 15 2011
Giant Fish-Eating Dino Once Roamed Outback
This massive dinosaur was among the biggest of all the predatory dinosaurs and made T. rex look puny.
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