Scientists Get Closer To Redefining The Length Of A Second
A group of scientists from Boulder, Colo., compared three different atomic clocks. It's a step toward redefining the length of a second.
Science
Researchers Are One Step Closer To Redefining The Second
Researchers with the Boulder Atomic Clock Optical Network Collaboration are one step closer to replacing the current atomic clock and officially redefining the second.
Naturalist Traces The 'Astounding' Flyways Of Migratory Birds
Scott Weidensaul has spent decades studying bird migration. "There is a tremendous solace in watching these natural rhythms play out again and again," he says. His new book is A World On the Wing.
A Cultural Triumph: Microbiology Student Makes A Petri Dish Masterpiece
Balaram Khamari has been spending a lot of time in his lab in Puttaparthi, India, culturing colorful bacteria and artfully arranging it on a jelly like substance called agar.
Asteroid Apophis Not A Risk To Earth For At Least 100 Years, NASA Says
The asteroid Apophis was taken off of NASA's "risk list" after the space agency determined earlier this month that it poses no risk of impact to Earth within the next century.
Indonesian 'Mountain of Fire' Erupts Again
Mount Merapi on the Indonesian island of Java has been erupting regularly and is considered a highly active volcano. No injuries were reported after Saturday's eruptions, but officials advise caution.
Satellite Launched On Mission To Remove Space Trash
NPR's Scott Simon speaks to Jason Forshaw, an aerospace engineer at Astroscale, about ELSA-d, a machine used to clean up junk in space.
Vaccinated College Students Will Help Answer Critical Question About COVID Spread
Scientists have launched a study of college students to find out whether people who are vaccinated against COVID-19 can still spread the virus. That's a big unanswered question about the vaccine.
Scientific Specimens Are Going Online, But Much Remains Hidden In Storage
From fish in jars to rare seeds and microbes, hundreds of millions of biological specimens are stored around the U.S., and caretakers are trying to make them accessible for future research.
Indigenous-Language Radio Show In Oakland Promotes Vaccine Effort
Amid the pandemic, a new audio program is trying to reach residents who speak the Guatemalan language Mam. The show's founder Henry Sales hopes to help combat the COVID-19 crisis in his community.