Gully patterns document Martian climate cycles

spaceexp:

Providence RI (SPX) Jan 29, 2015
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Geologists from Brown University have found new evidence that glacier-like ice deposits advanced and retreated multiple times in the midlatitude regions of Mars in the relatively recent past.

For the study, in press in the journal Icarus, the researchers looked at hundreds of gully-like features found on the walls of impact craters throughout the Martian midlatitudes. They conclude that ma
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Gully patterns document Martian climate cycles

Judge Throws Out Convictions Of Civil Rights Pioneers, ‘Friendship 9’

My wife grew up in Rock Hill and never knew of this story. As a small child she just knew the Woolworth’s was off limits but was never told why.

http://www.npr.org/2015/01/28/382218365/judge-throws-out-convictions-of-civil-rights-pioneers-friendship-9

Judge Throws Out Convictions Of Civil Rights Pioneers, ‘Friendship 9’

scientiflix:

Robot Learning: Look at My Watch

A simple gesture, such as pointing, is filled to the brim with social cues, feedback, and expectations—many of which are subconscious. Roboticists like Rodney Brooks know that by programming robots to react to these social cues, they can create a smoother user/machine interface. Brooks shows us how two robots, Domo and Kismet, not only follow their operator’s cues, but have the operator following back without realizing it.

By: World Science Festival.

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