Want more? Subscribe to NASA on iTunes! http://phobos.apple.com/WebObjects/MZStore.woa/wa/viewPodcast?id=283424434 Like to catch snowflakes? Try using a card instead of your tongue! Join the Global Snowflake Network for the International Polar Year. NASA Goddard Space Flight Center invites you to be a part of this special data collection effort. Snowflake shapes depend on particular atmospheric conditions. See http://education.gsfc.nasa.gov/how for more info.
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