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A short video clip of the OroBOT walking as seen from overhead

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

Fossils
 
Feb 15, 2019
This robot shows how an ancient creature might have walked
a photo of a porthole into an underwater habitat, fish are swimming past the round window

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

Materials Science
 
Feb 11, 2019
A self-cleaning glass keeps itself spotless underwater
a photo of a green spiral of cyanobacteria printed onto a white mushroom marked with black graphene ink

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

Technology
 
Feb 6, 2019
This bionic mushroom makes electricity
a close-up of a new kind of bandage

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

Materials Science
 
Feb 1, 2019
This bandage uses electrical zaps to heal wounds faster
a starry night sky over power pylons and high-voltage power lines

A failure of the electric system can quickly leave millions of people in the dark.

Vadven/iStockphoto

Technology
 
Jan 24, 2019
This grid moves energy, but not always reliably
a photo of high-voltage electrical lines stretching towards the horizon to meet the support towers closer to the horizon

High-voltage electric lines are part of the giant network that makes up the electric grid.

Chris Hunkeler/Flickr (CC BY-SA 2.0)

Technology
 
Jan 24, 2019
Explainer: What is the electric grid?
a pair of hands getting ready to shoot a rubber band

To understand how rubber bands fly, scientists studied video of elastic launching off of thumbs and cylinders.

Devonyu/iStockphoto

Physics
 
Jan 22, 2019
High-speed video reveals the best way to shoot a rubber band
robo-jellyfish

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

Robotics
 
Dec 18, 2018
This robotic jellyfish is a climate spy
car driving

Wear and tear on tires, brake pads and road surfaces leaves harmful microplastics swirling in the air, a new study finds.

birdlkportfolio/istockphoto

Pollution
 
Dec 14, 2018
Car tires and brakes spew harmful microplastics
an image of a smoke detector on the ceiling and smoke wafting below it

It took over two minutes for high-pitched smoke alarms to wake kids up. It took a motherly voice just two seconds.

nikkytok/iStockphoto

Science & Society
 
Dec 11, 2018
New smoke alarm tests a mother’s touch