News
- Planetary Science
NASA’s DART spacecraft changed an asteroid’s orbit around the sun
A 2022 NASA mission changed the orbit of the asteroid Dimorphos around its companion. New data shows their joint orbit around the sun also changed.
- Neuroscience
The remarkable brains of ‘SuperAgers’ hold clues about how we age
A new study reports signs that nerve cells in the brain keep dividing over the decades. It’s not so simple.
- Tech
Robots with fingernails can grasp thin edges
A robotic hand with fingernail-like tips lets robots peel fruit, open lids and pick up thin, flat objects with more precise, human-like dexterity.
- Animals
A koala population’s rapid rebound may let it escape inbreeding’s perils
As koalas in southern Australia have grown from a few hundred to almost half a million, the marsupials show signs of regaining lost genetic variation.
- Chemistry
This molecule puts a new twist on the Möbius strip
A molecule made of carbon and chlorine is half as twisty as the paper loops common in math classes.
- Plants
Chickpeas can grow in moon dirt and make seeds
Chickpeas produced seeds in simulated lunar soil, offering clues for future space farming.
- Planetary Science
A Titan collision may link Saturn’s tilt, its moon Hyperion and its rings
A new study proposes that a crash between Titan and another moon spawned Hyperion and, much later, destabilized Saturn’s inner moons into rings.
- Climate
Hundreds of studies have missed how much the oceans are rising
A widely used method to calculate sea level rise may have missed up to a century of change, so the risks could hit home for millions sooner than thought.
- Planetary Science
A chemical ‘Goldilocks zone’ may limit which planets can host life
Life needs nutrients like nitrogen and phosphorus. But without the right balance of oxygen, these elements get locked away in planets’ cores.
- Animals
Cockroaches that eat each other’s wings turn into a fierce fighting force
The wood-feeding cockroach’s cannibalistic love bites lead to a lasting bond. Afterward, the pair prefer each other over all other roaches.
- Neuroscience
The right sounds may turn sleep into a problem-solving tool
Lucid dreamers who heard puzzle-linked soundtracks while sleeping were more likely to solve those unsolved problems the next day.
- Health & Medicine
Over 40? Your rotator cuff probably looks a little rough
MRI scans of over 600 Finnish adults found that nearly all had frayed, torn or otherwise abnormal rotator cuffs — yet most had no symptoms.
