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News
Defusing the Methane Greenhouse Time Bomb

Methane trapped in Arctic ice (and elsewhere) could be rapidly released into the atmosphere as a result of global warming in a possible doomsday scenario for climate change, some scientists worry.
Observations
Prehistoric patterns: A dinosaur gets color from head to feathery tail
News
Rotting Fish Spoil Ideas about Early Life-Forms' Simplicity
Squashed fossils of the first boneless vertebrates suggest basal creatures, but real-time decay patterns hint they might have been less primitive than we thought
Observations
New large-clawed Jurassic dinosaur sheds light on elusive lineage
News
Colorizing Dinosaurs: Feather Pigments Reveal Appearance of Extinct Animals
Long the range of the imagination, the coloration--and origin--of feathered dinosaurs and ancient birds has begun to be revealed through fossilized organelles

Latest Stories
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What the small-brained hobbit reveals about primate evolution

Homing In on Mammalian Echolocation

Endangered Species: Humans Might Have Faced Extinction 1 Million Years Ago

Breathtaking: Alligators breathe like birds, underscoring an ancient link--and possibly a survival strategy

Paleontologist Peter Ward's "Medea hypothesis": Life is out to get you

Heavy Brows, High Art?: Newly Unearthed Painted Shells Show Neandertals Were Homo sapiens's Mental Equals

Another Reason to Save Coral? Reefs Are Responsible for Ocean Biodiversity

10 Science Letdowns of the New Millennium [Slide Show]

How Asteroids Built the Continents

Readers Respond on the "Origin of Computing"

Bird-like dinosaur used venom to subdue prey

Defusing the Methane Greenhouse Time Bomb

Prehistoric patterns: A dinosaur gets color from head to feathery tail

9,000-year-old brew hitting the shelves this summer

Rotting Fish Spoil Ideas about Early Life-Forms' Simplicity

What the small-brained hobbit reveals about primate evolution

Crack Research: Good news about knuckle cracking

New large-clawed Jurassic dinosaur sheds light on elusive lineage

Colorizing Dinosaurs: Feather Pigments Reveal Appearance of Extinct Animals

The Future of Man--How Will Evolution Change Humans?

Endangered Species: Humans Might Have Faced Extinction 1 Million Years Ago

Mammal Molars Make Waves

Scientific American Magazine

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February 2010 Issue

Life from a Test Tube? The Real Promise of Synthetic Biology

Stopping Infections: The Art of Bacterial Warfare

100 Years Ago: The Flooding of Paris

Lost Giants: Disparate Clues in the Mammoth Extinction Debate

Engineered Mice Mimic Human Populations

Full Table of Contents | All Issues



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Time to Ban Production of Nuclear Weapons MaterialA new global treaty that cuts off production of plutonium and highly enriched uranium for nuclear weapons could jump-start nuclear disarmament and help prevent proliferation

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