Scientists have developed an experimental way to study how human embryos implant in a uterus, which may provide new insights into why miscarriages occur and how they can be prevented.
(Image credit: Matteo Molè at the Babraham Institute.)
Photographs help us look back on the moments that defined the year. Taken by NPR photojournalists nationwide, this collection goes beyond the headlines to reveal quietly powerful human stories.
(Image credit: Tyler Russell)
The data, which was delayed from October by the government shutdown, comes as the economy takes center stage for voters and the Trump administration.
(Image credit: Spencer Platt)