DNA holds clues to extinction *
Dino pose discloses cause of death *
Fill 'er up…with sugar? *
Sandbar led Alexander the Great to victory *
Climate kick-started agriculture *
Climate change will cost us *
No more "snows of Kilimanjaro"? *
Earth's core is solid, after all *
Genetic discovery yields stronger plants *
More on Mars
Foam hushes volcano’s fury
Landslide partially buries Valley of Geysers
19 ENERGY & RESOURCES
Tunnel vision revived
Turning the tide on renewable energy
Mineral Resource of the Month: Silver
7 A COMMENT ON...
Say hello to your PIO
If you don’t know what a PIO is, or don’t know who yours is, it might be worth your while to get to know him or her. PIOs are science writers, trained to take science jargon and make it readable. They are a scientist’s friend.
60 GEOLOGIC COLUMN
The “Roof of the World” is Leaking
Tibet faces its share of challenges, as the author realized during a recent trip to the area.
4 FROM THE EDITOR
6 LETTERS: Perspectives
21 WHERE ON EARTH?
40 TRENDS & INNOVATIONS
Look What I Found!
If you find something on your land — say a whole lot of a valuable building stone, a meteorite or a dinosaur bone— do you know what to do? Do you know who to contact to find out what it’s worth?
Books: Crafting Water Policy in the Great Lakes Basin: The Great Lakes Water Wars
Books: Hit the Road on a Geo-Vacation: A Summer Reading Lineup
On the Web: The Energy Debate: Climate vs. Energy Security
49 CLASSIFIEDS: Career
58 DOWN TO EARTH WITH...
Science bloggers Gavin Schmidt and Michael Mann
59 GEOLOGIC HISTORY
August 16, 1896: Discovery of gold spurs
Klondike Gold Rush
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