The Chicxulub crater is buried under Mexico's Yucatan Peninsula
Vredefort: S Africa, 300km-wide, 2 billion years old
Sudbury: Canada, 250km-wide, 1.8 billion years old
Chicxulub: Mexico, 170km-wide, 65 million years old
Popigai: Russia, 100km-wide, 35.7 million years old
Manicouagan: Canada, 100km-wide, 214 million years old
via BBC News – DR Congo ring may be giant ‘impact crater’.
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Scientists at the University of Copenhagen have discovered that Vitamin D is crucial to activating our immune defenses and that without sufficient intake of the vitamin, the killer cells of the immune system – T cells – will not be able to react to...
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I am always impressed with the quality of documentaries on Frontline. Last night watched Digital Nation, it is really worth watching.
Especially interesting was the study around the effectiveness (or not) of multi tasking, and the reduction in our attention span. (also work meetings...
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Just 50 miles off the Pacific Northwest coast is an earthquake hotspot that threatens to unleash on Seattle, Portland and Vancouver the kind of damage that has shattered Chile.
The...
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The earthquake that killed more than 700 people in Chile on Feb. 27 probably shifted the Earth’s axis and shortened the day, a National Aeronautics and Space Administration scientist...
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This morning during his big chit-chat on CNBC, during the “rapid fire” portion of the interview, Berkshire Hathaway (BRK) CEO Warren Buffett was asked: What currency would he buy...
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