‘Carl Hart is a neuroscientist and Ziff Professor of Psychology at Columbia University—he was the first tenured African-American professor of sciences at Columbia. His research focuses on the “behavioral and neuropharmacological effects of psychoactive drugs in humans.” Hart’s new book, Drug Use For Grown-Ups, is a bold and engaging effort to counter what he sees as generations of misinformation and moral grandstanding about drug use.

Hart explains:

…(M)ost drug-use scenarios cause little or no harm and some responsible drug-use scenarios are actually beneficial for human health and functioning….’

— John Steele via Nautilus

The Frigid Consequences of Global Warming:

Climate scientists have spent years exploring the relationship between extreme winter weather and warming temperatures in the Arctic Circle. Some studies suggest that the warming Arctic disrupts a natural phenomenon known as the polar vortex, which normally contains cold air in the north.

— via Big Think