Planting more trees can have a negative effect on water flow
nature.com — Planting trees comes with potentially damaging side effects, according to two new studies. Planting forests in areas that currently don't have trees can reduce base river and stream flow by up to 50%. Researchers observed an 18–22% drop in base flow in the afforested watershed compared with the watershed that had been left as grassland. (Submitted by naturalpapa) More...
FLOTUS: Elevating the Social Status of Nerds Everywhere
blogs.nature.com — Michelle Obama joined Energy Secretary Steven Chu in a tightly packed auditorium for a mock quiz of 10 middle schoolers who would compete next year in the National Science Bowl, an outreach effort run by DOE. Chu said that Obama was helping him with one of his highest priorities: "elevating the social status of nerds everywhere." (Submitted by HeDiggMe) More...
Most distant gamma-ray burst spotted
nature.com — Light from a star that exploded 13 billion years ago has reached Earth, setting a new record for the most distant astronomical object yet observed. We're now starting to see the time when we think the very first galaxies were turned on. Dubbed GRB 090423, the new discovery was first spotted by the NASA satellite Swift. (Submitted by muxaulo) More...
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