Science

Who decides which emojis get the thumbs up?
The emoji has put the Unicode Consortium at the center of pop culture.
Password poems: Safer, easier to remember
Inspired by an XKCD comic, researchers turned random strings of characters into rhymed, metered verse.
Could depression be caused by an infection?
Infection and autoimmune activity result in inflammation. And psychiatric researchers now suspect that inflammation may play a role in some cases of depression and other mental illnesses.
Your daily Earth selfie
The NASA and NOAA Deep Space Climate Observatory bring daily selfies of the Earth to a website near you.
Twitter's ills put spotlight on abuse, Internet style
A lengthy essay titled "Why Twitter's Dying" landed on Medium.com on Oct. 13. A week later, it's still one of the site's most popular posts.
Gyrocopter enthusiasts share their passion in Mankato
Supporters of gyros -- called gyroplanes, gyrocopters or rotaplanes -- say they cannot stall or spin out and are thus inherently safer than fixed-wing ultra-lights.