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Researchers built a robot called OroBOT to re-create the way that Orobates pabsti might have walked. That four-legged creature lived some 290 million years ago.
Tomislav Horvat and K. Melo/EPFL Lausanne
A new kind of glass can keep itself clean underwater. The key is microscopic pancake-shaped structures that let liquid flow between them.
ES3N/iStockphoto
Researchers 3-D print a green spiral of cyanobacteria onto a mushroom. The microbes give off electrons when exposed to light. Those electrons flow into the black graphene ink to produce an electric current.
American Chemical Society
A new bandage uses electrical pulses to help wounds heal faster. It’s powered by the patient’s natural body motions.
Sam Million-Weaver/Univ. of Wisconsin–Madison
A failure of the electric system can quickly leave millions of people in the dark.
Vadven/iStockphoto
High-voltage electric lines are part of the giant network that makes up the electric grid.
Chris Hunkeler/Flickr (CC BY-SA 2.0)
To understand how rubber bands fly, scientists studied video of elastic launching off of thumbs and cylinders.
Devonyu/iStockphoto
A soft and squishy robo-jellyfish pumps its way gently through the ocean, providing little or no disturbance to local sea life.
Jennifer Frame, Nick Lopez, Oscar Curet and Erik D. Engeberg/IOP Publishing
Wear and tear on tires, brake pads and road surfaces leaves harmful microplastics swirling in the air, a new study finds.
birdlkportfolio/istockphoto
It took over two minutes for high-pitched smoke alarms to wake kids up. It took a motherly voice just two seconds.
nikkytok/iStockphoto
A cardinal weathers a snowstorm. Note the small size of the snowflakes accumulating on the bird’s head. That indicates a temperature likely several degrees below freezing, when flake size would begin to shrink.
EEI_Tony/iStockphoto
Snowflakes take a long journey down from the clouds in which they form. But it takes more than cold air and moisture to create them.
SbytovaMN/iStockphoto, adapted by L. Steenblik Hwang
Helping low-income biology students manage test anxiety improves scores, a new study finds. Such test-prep tips might help these students stay on the high school science track.
seb_ra/iStockphoto
Plants behind the doors of this greenhouse are breaking down harmful chemicals that pollute indoor air.
Mark Stone/University of Washington
Would you eat one of these for science? Six doctors did.
Ekaterina79/iStockphoto
If school starts later in the morning, teenagers are more ready to learn. In a new study, students wore wrist activity trackers that pinpointed when they fell asleep and woke up. The results confirmed the benefit of later start times.
monkeybusinessimages/iStockphoto
Crane Glacier lost the protective floating ice shelf at its lower edge in 2002. Since then, the glacier has more than tripled its original speed. As the glacier sped up, it also splayed out. This caused its ice to thin in some places by 100 meters (325 feet).
Erin Pettit/Oregon State University