When cows burp, they emit the potent greenhouse gas methane into the atmosphere. But by adding seaweed to the cows' diets, researchers are noticing a dramatic reduction in methane production.
In one year, fertilizer production in the U.S. emitted as much carbon dioxide as two million cars. What if we could help plants make their own nitrogen so they wouldn't need man-made chemicals?
Researchers find that during extra innings, baseball umpires make calls in a way that tends to end games sooner. This seems to be because umpires aren't given additional money to work extra innings.
A Harvard Medical School project aims to become the first national registry for exceedingly rare cancer patients who respond mysteriously well to treatments that failed to help others.
If you are bitten by a Lone Star tick, you could develop an unusual allergy to red meat. And as this tick's territory spreads beyond the Southeast, the allergy seems to be spreading with it.
Doctors want to remind moms to get certain vaccines while pregnant. Whooping cough in particular can be deadly for newborns, but only about 50 percent of pregnant women get the vaccine.
A young cancer doctor uses social media to skewer what he sees as overblown claims for "precision medicine." That doesn't make him hugely popular at cancer research meetings.
A recent study published in The Lancet Medical journal shows that police killings of unarmed black men leads to poor mental. NPR's Michel Martin talks with study co-author Dr. Atheendar Venkataramani.