A new study shows ozone levels in National Parks are similar to the levels in the largest U.S. cities. But most of this ozone may originate outside of the parks.
By Daniel Ackerman, Scientific American
The DNA damage found in the new study included deletions of thousands of DNA bases, including at spots far from the edit. Some of the deletions can silence genes that should be active and activate genes that should be silent,…
By Sharon Begley, STAT
The average adult yawns 20 times per day. And when you feel a yawn coming on, it can be nearly impossible to suppress. But why does being around other yawners make you yawn?…
By Teresa Carey
In 2015, officials poured 96 million "shade balls" into the Los Angeles Reservoir to improve water quality and save water. The video went viral, but those shade balls may have used more water than they saved, MIT scientists reported Monday.
By Amanda Grennell
After Starbucks announced on July 9 it would phase out plastic straws from its stores by 2020, disability rights activists were concerned the policy would exclude some people with disabilities.
By Amel Ahmed, KQED
A new report indicates California's much-heralded carbon trading program may actually be harming the neighborhoods it was designed to protect.
By Sam Weber, Connie Kargbo and John Upton, Climate Central
Americans who live along coastlines are watching their land disappear and property threatened as climate change causes sea levels to rise. While homeowners often rely on expensive seawalls and bulkheads to slow the erosion, a growing number are building “living…
By John Upton, Climate Central
Homeowners are using marsh seedlings and bags of oyster shells to create "living shorelines," a natural alternative to seawalls--and one that reduces coastal erosion as climate change causes sea levels to rise.
Alan Alda had an unusual childhood, but it helped him hone his identity as a communicator. As his mother suffered from mental illness, he became a close observer of people, their faces and body language, which led him toward becoming…
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