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December 13st, 2013

Snow removal. Photo: shutterstock

Why do we spread salt on ice covered surfaces in winter?

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The late John Margrave, professor of chemistry at Rice University, provided this answer: In short: Salt melts ice. From the question and answer section of Scientific American magazine.
Crew 35 members Chris Cassidy (left) and Tom Meshburn on a May 11, 2013 spacewalk to scan and replace the suction control box on the space station. Photo: NASA.

A serious malfunction at the space station - one of the cooling systems stopped working * Hello to the crew members

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Battle shock. Illustration: shutterstock

Trauma: how we lie to ourselves, what it does to us - and how we can get out of it

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The official logo of SPACE-IL

Cluster: The president of the Hebrew University met with the president of a Kabul university from Afghanistan; And news from the Technion, Haifa University and the SPACE-IL association

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Astronaut Geraldo Carr, member of the Skylab 4 crew on the Space Station Skylab. Photo: Nas A

Skylab 4 - the last manned mission to the space laboratory

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