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Next Ice Age Not Likely before 1,500 Years

By Nina Chestney LONDON (Reuters) - High levels of carbon dioxide emissions in the atmosphere mean the next ice age is unlikely to begin for at least 1,500 years, an article in the journal Nature Geoscience said on Monday. [More]

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Ants at War [Slide Show]

Ants engage in large-scale battles that in many ways call to mind human warfare. Entomologist and photographer Mark Moffett describes their bellicose behaviors in his article in the December issue of Scientific American . [More]

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Cognitive Decline Sets in around Age 45

When people over 65 show losses in their short-term memory and comprehension, it’s no surprise. But a new study claims that a general cognitive decline starts to set in as early as age 45. The research is in the British Medical Journal .

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Unusual Flavors Can Dampen Immune Response

More than 100 years ago Ivan Pavlov famously observed that a dog salivated not only when fed but also on hearing a stimulus it associated with food. Since then, scientists have discovered many other seemingly autonomous processes that can be trained with sensory stimuli--including, most recently, our immune system. [More]

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Baby Monkeys with 6 Genomes Are Scientific First

They look like ordinary baby rhesus macaques , but Hex, Roku and Chimero are the world's first chimeric monkeys, each with cells from the genomes of as many as six rhesus monkeys. [More]

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New, Reusable Materials Could Pull CO2 Straight from Air

Researchers have developed a new class of materials that can readily and efficiently absorb carbon dioxide from a smokestack or even directly from the atmosphere. The substances can help alleviate problems associated with carbon dioxide emissions , like climate change and ocean acidification. [More]

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Encounter at Dawn: Stephen Hawking, me, and an ATM

A black hole lenses the light of the Milky Way in the background (Credit: Ute Kraus amd Axel Mellinger) This weekend Stephen Hawking turns 70, an extraordinary physical accomplishment to add to an extraordinary list of physics accomplishments. Seeing this news reminded me of the the first time that I crossed paths with Hawking.

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