Monthly Archives: August 2015

Florida’s Newest Sinkholes

Smack-dab in the middle of Florida is a farming community called Groveland. It is hard to get more central than this central Florida town.  Groveland rides high on Florida’s limestone spine, a slight rise that puts the center of the … Continue reading

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Hiding Rising Seas in Sunken Deserts

This weekend, a friend asked me if the rise in the oceans could be drained off into the world’s below-sea-level depressions. Could rising ocean waters be diverted to fill the Dead Sea and Death Valley Depressions, for example? It seems … Continue reading

Posted in Climate, Engineering, Environment, Oceans | Tagged , , , | 27 Comments

Did humans wipe out the megafauna?

Originally posted on TwilightBeasts:
The wonderful thing about writing for Twilight Beasts is the chance to bring back some truly incredible creatures. Here we are allowed to be taken back to a time when the largest land lizard ever walked…

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Newton and the Speed of Sound

Would you like to try Newton’s classic speed of sound experiment? Last month, at Trinity College in Cambridge, my 13-year-old stood at the colonnade where Newton measured the speed of sound. Just like Newton, Daniel clapped his hands once and … Continue reading

Posted in History, How Geophysics Works | Tagged , , , , | 3 Comments

1000 Simple Words

Could you describe your work to someone new if you had to use fewer than 1,000 words? I certainly hope so – that’s two or three typed pages. If you need more than that, maybe you don’t really know your … Continue reading

Posted in Book Review, Culture, Science Education | Tagged , , | 2 Comments