Acids help against airborne viruses

A new study shows that aerosols in indoor air can vary in acidity. This acidity determines how long viruses remain infectious in the air — with profound implications for virus transmission and strategies to contain it.

Easy way to spin nanofibers, inspired by silkworms

Did you know that silk fabric is made from … well, worm spit? The way that silkworms wind their cocoons from fibers in their slimy saliva is now helping scientists more easily make new biomedical materials. Researchers have mimicked the seemingly sim…

See no evil: People find good in villains

No matter how egotistical, power hungry or greedy the person is, many of us are still attracted to their dark side — in part because we suspect some may have a redeeming quality. A recent study found that both adults and children more often reported t…