Everett Lehman
The National Institute for Occupational Safety and Health

Sep. 07, 2012

Study May Link Pro Football, Brain Decline

A new study suggests that pro football players are more likely to develop neurodegenerative diseases.

football, alzheimer's, neurodegenerative disease, ALS, dementia, athetes, football player health problems, NFL

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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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