News
- Planetary Science
Seismic waves crossing Mars’ core reveal details of the Red Planet’s heart
NASA’s InSight lander observed a quake and an impact on the farside of Mars, allowing researchers to measure physical properties of the planet’s core.
- Space
Rocky planets might have been able to form in the early universe
The James Webb telescope spied planet-building material around young stars in a nearby galaxy whose chemical makeup matches that of the early cosmos.
- Materials Science
A vegan leather made of dormant fungi can repair itself
Researchers developed a leather alternative made from dormant fungus that can be reanimated and then regrow when damaged.
- Health & Medicine
A graphene “tattoo” could help hearts keep their beat
A proof-of-concept electronic heart tattoo relies on graphene to act as an ultrathin, flexible pacemaker. In rats, it treated an irregular heartbeat.
- Animals
This elephant peels bananas, but only slightly ripe ones
Pang Pha, an Asian elephant at Zoo Berlin, probably picked up the skill by observing her zookeeper.
- Life
Comb jellies have a bizarre nervous system unlike any other animal
A 3-D map of the comb jelly “nerve net” reveals fused neurons that lack the space, or synapses, most neurons use to communicate. Did it evolve independently?
- Animals
Northern elephant seals sleep just two hours a day at sea
The marine mammals have truly awesome stamina for staying awake, sleeping only minutes at a time on months-long trips at sea.
- Astronomy
Cosmic antimatter hints at origins of huge bubbles in our galaxy’s center
An excess of positrons in Earth’s vicinity supports the idea that the Fermi bubbles were burped by the Milky Way’s supermassive black hole long ago.
- Animals
Urchins are dying off across the Caribbean. Scientists now know why
A type of single-celled microorganism associated with coral diseases is behind a sea urchin die-off in the Caribbean.
- Neuroscience
The classic map of how the human brain manages movement gets an update
Functional MRI scans provide a new version of the motor homunculus, the mapping of how the primary motor cortex controls parts of the body.
- Archaeology
A prehistoric method for tailoring clothes may be written in bone
A punctured bone fragment was probably a leatherwork punch board. Perforated leather sewn together may have been seams in clothing.
- Climate
Methane may not warm the Earth quite as much as previously thought
Methane absorbs both longwave and shortwave radiation, with competing effects on climate, a study finds. The gas remains a potent warmer of the planet.
