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Graphene Spun into Meter-Long Fibers

By James Mitchell Crow of Nature magazine Nano-sized flakes of graphene oxide can be spun into graphene fibres several metres long, researchers in China have shown. [More]

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Scientific American Defends Marie Curie and Women Scientists in 1911

One of the pleasures of editing a magazine like Scientific American, with its 166-year history as the country’s longest continuously published magazine, is getting a “you are there” view of science as it was whenever I take a spin through our digital archives . The other day, while reading some 100-year-old prose, I was reminded of a famous incident.

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Bedbugs Get Away with Incest

As if bedbugs weren t gross enough already, entomologists have now found that they get ahead by mating with their own mothers, brothers, sisters and fathers.

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Moods Change in Response to Our Subliminal Goals

It happens to all of us: we suddenly and inexplicably feel cheery or blue, even though our mood was quite different just moments before. Often the culprit is a subliminal cue, or, as psychologists call it, priming. But we do not have to be at the mercy of these unconscious cues.

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Swapping Germs: Should Fecal Transplants Become Routine for Debilitating Diarrhea?

Marion Browning of North Providence, R.I., was at her wit’s end. The 79-year-old retired nurse had suffered from chronic diarrhea for almost a year. It began after doctors prescribed antibiotics to treat her diverticulitis, a painful infection of small pouches in the wall of the colon

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Kepler Finds Its First Planet in the Habitable Zone

NASA's orbiting Kepler telescope has discovered its first planet in the habitable zone of another star. By "habitable," astronomers mean that a planet could harbor temperatures conducive to liquid water--and maybe life. [More]

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Bio–Jet Fuel Struggles to Balance Profit with Sustainability

DURBAN, South Africa--My share of the carbon dioxide my flight to Johannesburg emitted over 15 hours amounted to 1,391.3 kilograms, according to the helpful information provided by South African Airlines. Add a dollop of 53.8 kilograms of CO2 for the jet jaunt to Durban and you can see that the aviation industry--and the Durban climate talks --have an emissions problem.

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Egg Timer: Separate Biological Clocks Govern Female Fertility and Life Span

As a biological feat, it was the equivalent of an 80-year-old woman giving birth: Because of a mutation, Coleen Murphy's worms were still fertile and laying eggs right up until the end of their lives. The worms' impressive performance adds weight to the evidence that the biological clock that rules reproduction is separate from the one that grants us the traditional threescore and 10. [More]

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