Those Little Cameras On Top Of Traffic Lights Aren't All For Catching Red-Light Runners

Seeing a camera at a stoplight doesn't automatically mean you're being ticketed. Many intersections use similar hardware for ...
Healthline

What’s Blue Light, and How Does It Affect Our Eyes?

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.
BMJ

Rest and exercise early after sport-related concussion: a systematic review and meta-analysis

Objective To synthesise the evidence regarding the risks and benefits of physical activity (PA), prescribed aerobic exercise treatment, rest, cognitive activity and sleep during the first 14 days ...
The New York Times

Climate and Environment

More than two dozen contributors to the manual criticized the deletion of a chapter on climate science by the Federal Judicial Center. By Karen Zraick Leticia Carvalho heads a global authority that’s ...