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Kepler 22-b: Another step closer to finding Earth-like worlds

Comparison of "habitable zone" of Kepler 22 system and our solar system (NASA/Kepler) Today sees the announcement that one of the “candidate” planets listed from NASA’s Kepler mission back in February is now confirmed, and it’s a key one. At 2.4 times the diameter of the Earth the planet Kepler 22-b also orbits its parent star (which is a slightly less massive G-dwarf star than the Sun and 25% less luminous) in 290 Earth-days, which places it within the nominal “ habitable zone “. This system is about 600 light years from us.

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Yeti Crabs grow bacteria on their hairy claws

Deep beneath the waters of Costa Rica, dozens of crabs are waving their claws in unison, in what seems to be a rhythmic performance. It’s almost as if these crabs are locked in a ritual dance. But these charming crabs are not dancing.

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Inheritance of Acquired Characteristics [Animation]

See how a rat’s mothering style can be passed down to her pups--and to their pups and so on--by altering the mix of chemical groups, or epigenetic marks, on genes in the brain. This animation is based on research led by Michael Meaney of McGill University

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Was Jane Austen Poisoned by Arsenic? Science May Soon Find Out

On April 27, 1817, Jane Austen sat down and wrote her will, leaving almost all of her assets--valued at less than 800 pounds sterling--to her sister Cassandra. In May, the sisters moved to Winchester, England, so the bedridden Jane would be near her doctor. On July 18, only a few days after dictating 24 lines of comic verse to Cassandra, Jane died.

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FDA to Approve New Generics, But Health Care Savings Will Be Minimal

In 1984 the Hatch-Waxman Act made it cheaper and easier to put generic versions of a drug on the market. As a result of the expedited approval process, generics now make up more than 60 percent of prescription drugs sold in the U.S. and have saved the health care system $734 billion between 1999 and 2008 alone

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Simmering Planet Keeps Heating

As delegates gather in South Africa to determine what the world's nations should do about climate change, one might wonder how we're doing?

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Gossip Shapes What We See

Gossip can act as a useful social shortcut--it lets you know whom to avoid without your having to learn a person’s faults the hard way. And gossip may also influence whether you notice someone in the first place, according to a study published in Science on June 17. To test whether gossip affects visual awareness, psychologist Lisa Feldman Barrett of Northeastern University and her collaborators took advantage of a phenomenon called binocular rivalry.

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Bat Ears Deform For Better Ping Pickups

Bats see with their ears. Which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are some pulses, slowed down.

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