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Spineless Critter Had Oldest Complex Brain
A 520-million-year-old, three-inch fossil has yielded evidence that complex brains evolved much earlier than previously thought. The preserved external...
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Black-Hole Laser Edges Closer to Testing Hawking
In a laboratory in Scotland, a revolutionary kind of laser is taking shape – the first one to be...
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Stem Cell Opponents File Appeal With U.S. Supreme Court
It’s been 3 years since the legality of federal funding for research involving human embryonic stem cells (hESC) was...
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New World Bank Head Wants to Address Climate Change
Jim Yong Kim, the new president of the World Bank, said that dealing with climate change will be one...
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Saving Nature Will Require Billions
Reducing the risk of extinction for threatened species and establishing protected areas for nature will cost the world over...
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New Theory of Early Animal Evolution
A New York Medical College developmental biologist whose life’s work has supported the theory of evolution has developed a...
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Freshest Mars Rock Contains Evidence for Water
A meteorite that fell in Morocco last year might contain the freshest evidence for water on Mars, according to...
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DNA Has a 521-Year Half-Life
Palaeogeneticists have examined 158 DNA-containing leg bones belonging to three species of extinct giant birds called moa. The bones,...