Scientists Say: Polymer

Polymer (noun, “PAH-leh-mur”) This word describes large molecules formed from smaller units. Those units are joined by…

Working up a sweat may one day power up a device

One route to greener electronics may involve working up a good sweat. Engineers are designing energy-storage…

Wiggly wheels might help rovers plow through loose lunar soils

A truly all-terrain rover on the moon or Mars may need to put a little wiggle…

Going bright may help corals recover from bleaching

For some corals, going bright may be part of their fight against bleaching. Beneficial algae normally…

Let’s learn about the sun

You shouldn’t look directly at the sun, but it doesn’t take a close look to appreciate…

Toxic germs on its skin make this newt deadly

Some newts living in the western United States are poisonous. Bacteria living on their skin make…

Common drug, dexamethasone, appears first to cut COVID-19 deaths

A widely available and low-cost drug may save the lives of some patients hospitalized with COVID-19.…

Scientists Say: Excretion

Excretion (noun, “ex-KREE-shun”, verb, “excrete,” “ex-KREET”) This is how an organism gets rid of waste products. Every…

Deadly heat: Expected by century’s end, it’s here already

When temperatures rise, beads of sweat exit our pores. Evaporating sweat releases energy that cools the…

Silk-based microneedles may help treat diseased plants

A drone hovers in front of a tomato plant. Across the room, Yunteng Cao controls the…