Meet three moderators fighting disinformation on Reddit’s largest coronavirus forum
Combating misinformation online is an ongoing challenge for big tech, and it’s especially difficult when it’s on a discussion board with millions of people...
SCIENTIFIC NEWS
The surge in U.S. coronavirus cases shows a shift in who’s getting sick
When COVID-19 cases once again began rising in the United States this spring, it may have felt like déjà vu, a repeat of the...
Nanoscale nutrients can protect plants from fungal diseases
Chances are, most — if not all — of the produce in your kitchen is threatened by fungal diseases. The threat looms large for...
The book ‘Viral BS’ offers a cure for medical myths and fake health news
Viral BSSeema YasminJohns Hopkins Univ., $24.95 How does misinformation spread? What causes medical myths and pseudoscience to rapidly infect and fester in society? Seema...
NASA’s Ingenuity helicopter’s mission with Perseverance has been extended
The Ingenuity helicopter proved it could fly on Mars. Now it has loftier goals. Having passed all its original engineering tests, the tiny spacecraft...
Little Foot’s shoulders hint at how a human-chimp common ancestor climbed
Little Foot, a nearly complete hominid skeleton painstakingly excavated from rock inside a South African cave, shouldered a powerful evolutionary load. This 3.67-million-year-old adult...
Wild donkeys and horses engineer water holes that help other species
Water drives the rhythms of desert life, but animals aren’t always helpless against the whims of weather. In the American southwest, wild donkeys and...
Lightning may be an important source of air-cleaning chemicals
Lightning could play an important role in flushing pollutants out of the atmosphere. Observations from a storm-chasing airplane reveal that lightning can forge lots...
Mantis shrimp start practicing their punches at just 9 days old
The fastest punches in the animal kingdom probably belong to mantis shrimp — and they may begin unleashing these attacks a little more than...
A clock’s accuracy may be tied to the entropy it creates
Today’s most advanced clocks keep time with an incredibly precise rhythm. But a new experiment suggests that clocks’ precision comes at a price: entropy....
A new treatment could restore some mobility in people paralyzed by strokes 
What has Perseverance found in two years on Mars? 
This robot automatically tucks its limbs to squeeze through spaces 
Greta Thunberg’s new book urges the world to take climate action now