Read the commentary by Mark Guzdial and follow the links to Randy Pausch's last lecture.
Very moving. Great comment by Mark about the third head fake.
How we know that the sun changes the Climate. Part I: The past
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by Javier Vinós Part I of a three part series. The Sun is a variable star
and the amount of energy it emits varies from month to month, year to year,
and c...
3 hours ago
1 comment:
I finally got around to watching this. Thanks for the link Bill.
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