NASA solar sail technology passes crucial deployment test

In his youth, NASA technologist Les Johnson was riveted by the 1974 novel "The Mote in God's Eye," by Jerry Pournelle and Larry Niven, in which an alien spacecraft propelled by solar sails visits humanity. Today, Johnson ...

New, highly efficient catalyst for propylene production

Researchers have developed an innovative catalyst for the synthesis of propylene, which has potential benefits for the chemical industry and carbon recycling. Their findings were reported in the journal Nature Catalysis.

Environmental human DNA offers new opportunities for public good

In May, University of Florida scientists announced that they had unearthed high-quality, information-rich human DNA from nearly every spot they could think of. Rivers, beaches, oceans—even vacuumed up from the air.

'Micro-breaks' from tasks show promise in boosting well-being

A review of 22 previously published studies suggests that taking micro-breaks—discontinuing a task for periods of 10 minutes or less—is generally associated with reduced fatigue and increased vigor. Patricia Albulescu ...

A new understanding of reptile coloration

Snakes and mice don't look alike. But much of what we know about skin coloration and patterning in vertebrates generally, including in snakes, is based on lab mice. However, there are limits to what mice can tell us about ...

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