Latest from Science News For Students

02/21/2015

Visit Science News for Students»

BODY & HEALTH, TECHNOLOGY & ENGINEERING

Vision-ary high tech

By Sid Perkins, Feb 20, 2015 07:15 am

New devices are being developed to improve, restore or preserve the vision of people with eye diseases, such as glaucoma and macular degeneration. One device is a telescopic contact lens than can be zoomed with a wink. Read More

BODY & HEALTH

The steady creep of less sleep

By Andrew Bridges, Feb 19, 2015 10:12 am

More than half of all teens 15 and older get less than seven hours of sleep, according to a new study. That is two to three hours less than recommended. Overall, teens are sleeping less with each passing year, data show. Read More

CHEMISTRY

Why metals have a blast in water

By Stephen Ornes, Feb 18, 2015 07:00 am

Alkali metals explode in water. Using high-speed cameras, scientists have finally figured out why. Read More

COMPUTERS & ELECTRONICS, PHYSICS

This ‘smart’ self-cleaning keyboard is powered by you

By Kathiann Kowalski, Feb 17, 2015 07:00 am

A new electric keyboard locks out anybody but its owner. It’s not only self-cleaning but also powered by your fingertips. Read More

BODY & HEALTH, TECHNOLOGY & ENGINEERING

When a part makes you whole

By Sid Perkins, Feb 16, 2015 12:00 pm

New technologies allow medical experts to create remarkably detailed artificial faces. They can help restore the appearance — and the confidence and self-esteem — of patients who have suffered a disfiguring injury or disease. Read More

CHEMISTRY, BRAIN & BEHAVIOR

Blowing up the brain

By Kathiann Kowalski, Feb 16, 2015 07:00 am

When added to brain tissue, a chemical like one found in baby diapers expands. And it expands that brain tissue too, giving scientists a better view of how its cells connect. Read More