News
- Physics
A predicted quasicrystal is based on the ‘einstein’ tile known as the hat
The einstein tile can cover an infinite plane only with a nonrepeating pattern. A material based on it has features of both crystals and quasicrystals.
- Earth
Many but not all of the world’s aquifers are losing water
Many aquifers are quickly disappearing due to climate change and overuse, but some are rising because of improved resource management.
- Life
Some honeybees in Italy regularly steal pollen off the backs of bumblebees
New observations suggest that honeybees stealing pollen from bumblebees may be a crime of opportunity, though documentation of it remains rare.
- Plants
This first-of-its-kind palm plant flowers and fruits entirely underground
Though rare, plants across 33 families are known for subterranean flowering or fruiting. This is the first example in a palm.
- Life
Megalodon, the largest shark ever, may have been a long, slender giant
The ancient shark is typically imagined with the scaled-up stout frame of a modern great white. But in life, the giant may have been more elongated.
- Space
Astronomers have snapped a new photo of the black hole in galaxy M87
The Event Horizon Telescope image shows material around the black hole has moved, but other aspects remain the same, proving Einstein is right again.
- Astronomy
Astronomers are puzzled over an enigmatic companion to a pulsar
The strange entity has a mass between that of a neutron star and a black hole. It’s either one or the other or something else entirely.
- Life
How disease-causing microbes load their tiny syringes to prep an attack
Tracking individual proteins in bacterial cells reveals a shuttle-bus system to load tiny syringes that inject our cells with havoc-wreaking proteins.
- Chemistry
Here’s how tardigrades go into suspended animation
A new study offers more clues about the role of oxidation in signaling transitions between alive and mostly dead in tardigrades.
- Animals
Some mysteries remain about why dogs wag their tails
Wagging is a form of communication, with different wags meaning different things, but scientists know little about the behavior’s evolution in dogs.
- Materials Science
Artificial intelligence helped scientists create a new type of battery
It took just 80 hours, rather than decades, to identify a potential new solid electrolyte using a combination of supercomputing and AI.
- Materials Science
A fiber inspired by polar bears traps heat as well as down feathers do
Scientists took a cue from polar bear fur to turn an ultralight insulating material into knittable thread.
