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Sixteen Years of Black Hole Watching Pays Off
How do you prove that a black hole exists? It is so dense, not even light can escape its grasp
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Leap Second Added to Your Calendar
The official Keepers of Time will add a leap second to the world’s master clocks (in the U.S. Naval Observatory) on December 31 at 23:59:59 UTC
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What Did You Do in College? These Students Discovered a Planet
That’s right. These three undergraduates from Leiden University in the Netherlands discovered a planet, and not just any old planet
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Why Is Minnesota’s Recount Doomed?
Charles Seife wrote an op-ed for yesterday’s New York Times about the recount in Minnesota, which seems like it ought to be a simple problem but isn’t
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Picture of the Week—Diatoms or Modern Art?
Michael Stringer of Westcliff-on-Sea, England won the 2008 Nikon Small world Photomicrography Competition earlier this year with the image below
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Primatologist’s Prison Sentence Commuted
Primatologist and Amazon adventurer Marc van Roosmalen was convicted last year in Brazil of illegal wildlife trafficking and theft of government property
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The Tragic Tale of the Pygmy in the Zoo
In 1904, several Pygmies were brought to live in the anthropology exhibit at the St. Louis World’s Fair
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The Mystery of the Missing Acorns
I was surprised to read in the Washington Post yesterday that oak trees from northern Virginia to Nova Scotia failed to produce any acorns this year
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