Physics
- Chemistry
Light could make some hospital surfaces deadly to germs
A new surfacing material can disinfect itself. Room lighting turns on this germ-killing property, which could make the material attractive to hospitals.
- Physics
Star Wars‘ cutest droids would get stuck on the beach
On screen, R2D2 and BB-8 travel over every type of terrain. But in real life, any sandy path would stop these droids short.
- Life
This power source is shockingly eel-like
The electric eel’s powerful electric charge inspired this new squishy, water-based new approach to generating power.
- Life
These fish have truly flashing eyes
A reef fish can send flashes of light from its eyes. This trick might help the fish track its prey.
- Health & Medicine
Scientists offer new explanation for knuckle-cracking
That annoying pop may come from the partial collapse of bubbles in the joint fluid.
- Computing
Zap! Laser tattoos could create electronics to eat or wear
Lasers can tattoo a nontoxic form of carbon onto everyday items. This one day could lead to wearable — even edible — electronics.
- Tech
Electricity sensor harnesses a shark’s secret weapon
A new “quantum” material mimics the sensors that help a shark sense its prey. Like a shark, it can detect tiny electric fields.
- Physics
Wireless devices crowd out cosmic radio signals and more
Cell phones and other devices emit radio waves that can interfere with important scientific research. That’s why researchers are seeking ways to share the radio spectrum.
- Animals
The secrets of super-slurper bat tongues
Tiny hair-like structures greatly boost the ability of some bats to slurp up nectar from flowers.
- Physics
Meet STEVE, the northern lights in mauve
STEVE is a nontraditional aurora. It might be a visible version of usually invisible charged particles drifting through Earth’s upper atmosphere.
- Chemistry
Moisture unmasks camouflaged message
Researchers have developed a new type of chemical that will mask some hidden message — until you add water.
- Physics
Legendary physicist Stephen Hawking dies at 76
Theoretical research by Stephen Hawking helped shape how scientists and the public alike would come to understand black holes and other facets of astrophysics.
