George Hawkins

Aug. 17, 2012

Aging City Pipes in Need of a Plumber’s Touch

Water travels to city dwellers by way of old, leaky pipes that are tricky to replace.

water supply, water pipes, infrastructure, urban engineering, civil engineering, water treatment, waste water, sewage

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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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