These dinosaurs had wings but couldn’t fly

Johnson & Johnson won U.S. approval for a daily psoriasis pill that rivals the benefits of injectable medicines and could roil a multibillion-dollar market.

Pink granite boulders sitting mysteriously atop Antarctica’s Hudson Mountains have led scientists to a stunning discovery: a hidden granite mass buried beneath Pine Island Glacier, stretching nearly 100 km wide and 7 km thick. By dating the rocks to the Jurassic period and matching them with gravity signals detected from aircraft, researchers solved a decades-old puzzle about their origin.

Leaving her career as a surgeon, Frances Mei Hardin writes, “was the beginning of a life I actually wanted.”

Smoking instead of injecting drugs can reduce harm, but a new study shows opioid smokers are four times as likely to suffer severe burns.