On August 21, millions of people will bear witness as the moon slips over the entire face of the sun, obscuring its light and allowing only the glow of its outer atmosphere to mark its place in the sky.
Plastic microbeads, common in soap, toothpaste and other consumer products, are flooding waters. A team from Lamont-Doherty Earth Observatory is doing the first large-scale assessment of their impact on New York’s waterways.
A new study by Michael P. Burke opens door to innumerable possibilities, from the design of new types of engines to understanding the planetary chemistry responsible for cloud formations, climate change, and the conditions for creating life.
Kevin Uno, a Columbia geochemist, developed radiocarbon dating technique for ivory that can help determine where and when an elephant was killed and more effectively prevent poaching crimes.
Scientists probing under the seafloor off Alaska have mapped a geologic structure that they say signals potential for a major tsunami in an area that normally would be considered benign. The researchers say similar features may exist elsewhere.