US Life Expectancy Down For First Time In Decades, Says NCHS Report Analysis of the U.S. demographics and leading causes of death suggests that the overall life expectancy dropped in 2015 for the first time in decades. This could be due to the increase of deaths caused by the leading causes. by Livia Rusu
Wearable Batteries Could Soon be Concealed in Strap! Researchers Create Fiber-Like Material That Can Store Energy