Mark Sykes

Nov. 20, 2009

Living and Working In Space

Last week scientists reported definite signs of water hidden in darkened craters on the moon. Does that find change human plans for the exploration of space? Should it?

space flight, travel, astronauts

Mar. 28, 2008

What's a Planet, Anyway?

In 2006, astronomers voted to remove Pluto from the list of planets in our solar system -- but the controversy over just what should be called a planet lives on.

pluto, planet, planetoid, minor planet, kuiper belt object

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Michael Pollan Talks Plants and Food

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Baby, It's Cold Outside

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Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

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