A bacteria-virus arms race could lead to a new way to treat shigellosis
When some bacteria manage to escape being killed by a virus, the microbes end up hamstringing themselves. And that could be useful in the...
SCIENTIFIC NEWS
Cicada science heats up when Brood X emerges. 2021 was no exception
In one of history’s weird coincidences, the second summer of a global pandemic brought Johns Hopkins biologist Ethan Allen Andrews out on a Baltimore...
Antarctica’s Thwaites Glacier ice shelf could collapse within five years
The demise of a West Antarctic glacier poses the world’s biggest threat to raise sea levels before 2100 — and an ice shelf that’s...
The only known pulsar duo sheds new light on general relativity and more
The only known duo of pulsars has just revealed a one-of-a-kind heap of cosmic insights. For over 16 years, scientists have been observing the...
The cosmic ‘Cow’ may have produced a new neutron star or black hole
A cosmic flare-up called the Cow seems to have left behind a black hole or neutron star. When the flash was spotted in June...
2021 research reinforced that mating across groups drove human evolution
Evidence that cross-continental Stone Age networking events powered human evolution ramped up in 2021. A long-standing argument that Homo sapiens originated in East Africa...
Ingenuity is still flying on Mars. Here’s what the helicopter is up to
The Ingenuity Mars helicopter was never supposed to last this long. NASA engineers built and tested the first self-powered aircraft to fly on another...
For 50 years, CT scans have saved lives, revealed beauty and more
One grainy, gray-scale image of a brain changed science and medicine forever. Half a century ago, the first CT image of a patient lifted...
Cleared tropical forests can regain ground surprisingly fast
Tropical forests are disappearing at an alarming clip across the globe. As lush land is cleared for agriculture, climate-warming carbon gets released and biodiversity...
Wildfire smoke may ramp up toxic ozone production in cities
Wildfire smoke and urban air pollution bring out the worst in each other. As wildfires rage, they transform their burned fuel into a complex...
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