Getting X-rays at the Dentist? It’s Safer Than You Realize

Since dental X-rays became commonplace some seven decades ago, dentists and hygienists have been draping their patients with protective gear to shield them from the possibility of radiation exposure to body parts other than the jaw. But experts in dental radiology at Tufts University say it’s time to hang up those lead aprons for good.

Tracking Pileups on Battery Charging Route to Drive Performance

An understanding of this mechanism could help scientists increase the total amount of energy stored by next-generation lithium-ion batteries.