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Hunting Black Holes at the South Pole

Each of the telescopes that the astronomers of the Event Horizon Telescope (EHT) are currently working to bring into their black-hole-observing, planet-size array is a special case.

STAFFFebruary 26, 2015 — Seth Fletcher

East River Ice Floes

Like much of the U.S., New York City is in the grip of a bitter winter cold. According to a post by Scientific American‘s Larry Greenemeier, more than a century ago, the East River would freeze over every few decades, but ice floes are far less common these days...

February 25, 2015 — Curtis Brainard

Tar Sands Pipeline Vetoed, Climate Threat Marches On

Pres. Barack Obama vetoed a bill to approve construction of the Keystone XL Pipeline on February 24— not because of climate change, not because of low oil prices and not because of the risks from leaking diluted bitumen from the tar sands...

February 25, 2015 — David Biello

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