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Science News

Circular cities go ‘green’ by reusing things over and over again

Suppose a seam splits on your athletic shoe. Or a toy breaks. Don’t throw it away. Many damaged items can be fixed. That can not only save you money but…

How can magnets help deliver medicines?

Abstract Many medicines are made from proteins. We are always looking for new and efficient ways to make these medicines. We also need safe ways to deliver them around the…

Explainer: What is an equation?

An equation is a mathematical statement that’s written linearly — in a straight line. It has two parts separated by an equal sign (=). And as that sign would suggest,…

Let’s learn about hydrogels

What do Jell-O, contact lenses and 3-D printed body parts have in common? They all rely on hydrogels. Hydrogels are polymer-based materials that can absorb and release lots of water.…

Sliding down surfaces can make rainwater corrosive

Raindrops may be doing untold damage to cars, bridges, monuments and other outdoor structures. Not all rain, new data show. Just droplets that have first picked up an electric charge.…

Newfound clouds of missing ‘ordinary’ matter sit outside galaxies

For years, scientists have been calculating how much matter should exist in our universe. But more than half of it didn’t appear to be showing up in telescope images. Now…

Scientists Say: Blood Falls

Blood Falls (noun, “BLUHD FAHLZ”) Blood Falls is a five-story waterfall that flows out of Taylor Glacier in Antarctica. The water comes from a salty lake beneath the glacier that’s…

In the heat, this Death Valley shrub air conditions its leaves

California’s Death Valley is one of the driest, hottest and harshest places on Earth. In summer, thermometers there often climb above 49° Celsius (120.2° Fahrenheit). Such extreme heat can make…

Calls of the wild offer sound guidance for protecting animals

Jonathan Growcott’s “happy place” is bouncing across the African savanna in a 4×4 vehicle. As a large-carnivore biologist, he tracks predators in the wild. It’s tough work; these animals can…

Bees may survive a swim by heading for the dark [COMIC]

Bees may be best known for buzzing through the air. But they are surprisingly good swimmers, too. The insects can paddle through the water using the bottoms of their wings.…