Новости за 21.10.2010

Remember one year ago, when NASA's LCROSS mission (Lunar Crater Observation and Sensing Satellite) blasted the moon to kick up a plume of debris? The satellite's first look at that plume saw that, yes, there was water ice there, much to DISCOVER's delight. One year later, scientists have published an in-depth analysis of the LCROSS plume and found that there might be even more water than they first thought: In certain places, the moon could be twice as wet as the Sahara Desert. In a series of a

Find the kitty!

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According to a new study out in Science Translational Medicine, treating depressed mice with gene therapy in the brain to bolster a protein connected to the neurotransmitter serotonin can make those depressive symptoms dissipate. Here's the gist: The gene in question creates a protein called p11 that help carry serotonin receptors up to the surface of a brain cell where they can receive signals from other brain cells. Poor serotonin signaling may be one of the major drivers behind depression, a

Scientists knew that overweight mothers tend to have more overweight children. But is the same true for fathers? This week in Nature, Margaret Morris and her team demonstrated this effect in male rats, the first time it's been shown to work in males. The findings are another example of how non-genetic factors, like how much a parent eats, can have a biological impact on offspring. The researchers put one of their two groups of male rats on a high-fat diet, the other on a normal one. Unsurprisin

The origins of trick-or-treating, a relatively recent phenomenon.

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