When researchers showed subjects pictures of Jennifer Aniston, very specific neurons lit up. And these neurons weren't triggered by pictures of other people. This curious finding is one that brain scientists hope to solve by tracing the pathways in the human brain and creating a map called a connectome.
Private and government groups are finding new ways to mine massive troves of digital data. Tom Gjelten and a panel of experts look at the implications for national security, education, science, medicine, as well as privacy concerns.
The FDA has until Saturday to decide whether to ban the plastic additive BPA from food packaging. Some scientists think BPA poses a risk to consumers because it can act like estrogen in the body. But recent studies by government scientists suggest the risk, if any, is minimal.
The government released a new policy on how to handle legitimate biological research that could be misused in the wrong hands. The move comes as controversy still swirls around recent experiments with lab-altered bird flu.
The human brain may be just three pounds of jelly. But it turns out that jelly is very organized. New scanning techniques show that the brain's communications pathways are laid out in a highly ordered three-dimensional grid that look a bit like a map of Manhattan.
Ancient fossilized raindrops may offer clues to a paradox that's perplexing scientists: the Earth's atmosphere 2.7 billion years ago was similar to the way it is now, even though the sun was younger and dimmer.
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