Tech
- Tech
Headphones or earmuffs could replace needles in some disease testing
A new system that uses earmuffs to collect gases coming out the skin could help doctors diagnose a variety of diseases, scientists say.
By Sid Perkins - Earth
Stores and malls buy into ponds and rain gardens for flood control
An extra bonus: These rainy-day ponds clean up that dirty water running off parking lots.
- Chemistry
New glue offers to turn any small walking robot into Spider-Man
To climb walls, robot feet need to alternately stick and let go. A novel adhesive can do that. Its stickiness is controlled by electric fields.
By Shi En Kim - Tech
Sleep-friendlier lighting is on the way
Chemists have created a new glowing material for LEDs. It should lessen how much near-bedtime lighting impairs your ability to nod off.
By Manasee Wagh - Tech
Mantis shrimp inspires somersaults of new soft robot
Its rolling acrobatics allow this robot to move especially swiftly — much as a fictional new Disney character can.
- Computing
Will this smartphone app become your exercise coach?
When one teen couldn’t go to the gym, she invented an app to bring her gymnastics coach to her home. She succeeded and won a major award for it.
- Tech
No animal died to make this steak
The ribeye steak is the first of its kind, and the latest in a growing list of meats printed with a 3-D bioprinter instead of being harvested from an animal.
- Tech
New robots can clean virus-laden surfaces so people won’t have to
Smart and nimble cleaning robots will soon help disinfect spaces. They twist and bend to hit hard-to-reach spaces with UV light or cleansing sprays.
- Materials Science
New device gets power from 5G signals grabbed from the air
A new way to harvest electricity relies on a tiny array of antennas and a lens. Together, they collect and focus 5G signals coming from any direction.
- Brain
Patterns in brain activity can identify who will struggle to read
Certain patterns of brain activity predict whether teens are strong readers or will struggle. Those diagnostic patterns show up even when doing math.
- Space
Ingenuity helicopter makes history by flying on Mars
The copter's 40-second-long flight in the Red Planet’s thin air is only the first in a planned series of daring flights.
- Climate
Surfing the winds would make future jet travel greener
Simple route changes could drastically cut fuel use and greenhouse-gas emissions, a new study finds.