John Harvey

Jun. 24, 2011

Creating Reservoirs Under Roads And Parking Lots

Porous pavement allows water to pass down to the water table, rather than run off into storm drains.

pavement asphalt sidewalk concnrete engineering runoff water

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Michael Pollan Talks Plants and Food

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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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