Scientists Have Discovered a New Set of Blood Groups

The unborn baby was in trouble. Its mother’s doctors, at a UK hospital, knew there was something wrong with the fetus’s blood, so they decided to perform an emergency C-section many weeks before the baby was due. But despite this, and subsequent blood transfusions,...

To Fight Severe Drought, China Is Turning to Technology

“You could actually exacerbate the drought situation,” says Gabriel Collins at Rice University’s Baker Institute for Public Policy in Texas, arguing that excessive future water transfers could lead to two large swathes of the country becoming prone to seasonal water...