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Science News Archive - January 30, 2010

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Italian scientists are seeking permission from French authorities to exhume the body of Leonardo da Vinci in order to conduct carbon and DNA testing they hope will solve many of the mysteries about the famous artist.

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President Barack Obama on Friday ordered the federal government to reduce its greenhouse gas emissions 28 percent by 2020.

The National Science Foundation (NSF) will hold a budget request briefing from 3 pm to 4 pm ET on February 1, 2010, at its headquarters at 4201 Wilson Blvd, Arlington, Va 22230.

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Caltech biologist David Anderson and his colleagues identify a brain chemical involved in promoting aggression in flies.

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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