AstraZeneca’s COVID-19 vaccine isn’t tied to blood clots, experts say
AstraZeneca’s COVID-19 vaccine is not associated with an increased risk of blood clots, the European Medicines Agency announced March 18. That’s the conclusion of...
SCIENTIFIC NEWS
An ancient shark’s weird fins helped it glide like a manta ray
Thirty million years before manta rays began gracefully gliding through ocean waters, a shark with fantastically elongated fins gave such underwater flight a go,...
Two bonobos adopted infants outside their group, marking a first for great apes
Attentive parenting appears across the animal world, but adoption is rarer, especially when youngsters taken in aren’t kin. Now researchers have witnessed bonobos adopting...
We still don’t know for sure where the coronavirus came from. Here’s why
More than a year after the novel coronavirus had spread to all corners of the globe, officially becoming a pandemic, we still don’t know...
Coronavirus reinfections appear rare, especially in people younger than 65
Second bouts of COVID-19 are rare, though people 65 years and older may be at higher risk of reinfection than younger ones, a study...
50 years ago, researchers treated chronic pain with electricity
Fooling the brain — Science News, March 20, 1971 Chronic pain can be treated surgically by severing nerves or by destroying a small part...
Two new books investigate why it’s so hard to define life
If everything in the world had to be divided into two bins — one for living things and one for nonliving — the task...
A gargantuan supernova remnant looks 40 times as big as the full moon
A cloud of expanding gas in space is the largest supernova remnant ever seen in the sky, a new study confirms. The Milky Way...
Phosphorus for Earth’s earliest life may have been forged by lightning
One key ingredient for life thought to be delivered to Earth by meteorites may have been homemade after all. The phosphorus that went into...
Most of Mars’ missing water may lurk in its crust
An ocean’s worth of water may be lurking in minerals below Mars’ surface, which could help explain why the Red Planet dried up. Once...
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