Scientists turn beer waste into water-cleaning biochar
Researchers have developed a method to transform a common beer-making by-product into a charcoal-like substance that can filter bacteria from water.
» readPhotojournalist Steve Winter reflects on a career spent capturing big cats
A new book by photojournalist Steve Winter and his wife, environmental journalist Sharon Guynup, offers a retrospective of their careers documenting big cats around the world.
» readHow Writing Locks Languages and Ideas in Place, Researchers Say
Writing has preserved human knowledge for millennia, but new research suggests it can also freeze ways of thinking long after they become outdated.
» readLunar Farside Mosaic Reveals Striking Differences from the Familiar Nearside
The Moon, locked in synchronous rotation, always presents its familiar nearside to Earth. However, a new mosaic from the Lunar Reconnaissance Orbiter has made the lunar farside more familiar from orbit.
» readPanama Earthquake Initially Measured at 8.0 Magnitude, Downgraded to 7.7
A powerful earthquake struck Panama on Tuesday, according to the U.S. Geological Survey.
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