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Taking folic acid while pregnant reduces the risk of birth defects. But there may not be enough of the vitamin in enriched grain products, a federal advisory panel says.

Water and sewage problems at an Idaho mobile home park illustrate how manufactured housing communities owned by outsiders are often kept in a state of disrepair.

About 100 migrants die every year trying to sneak around Border Patrol checkpoints in South Texas. Now, a searchable database lets relatives find photos of their missing loved ones' personal items.

Chicago passed a grim milestone earlier this month — the city has had more than 700 homicides this year. The violence, the worst since 1998, has police and politicians scrambling.

But that's not the final word, caution pediatricians, including the Danish author. It's one of several recent studies with contradictory findings that suggest the supplements could help or hurt.

Sensory scientist Edgar Chambers says flavor is multidimensional, and the current lexicon diagrams aren't doing it justice. So he wants to turn the wheel into a tree — with plenty of room to grow.

Puerto Rico has experienced many more cases of Zika virus than the continental U.S. But health and educational services are scarce on the islands for children born with disabilities.

Researchers have found new clues to how bats communicate. And it turns out they tend to argue — a lot. The research could lead to a broader understanding of animal communication.

The death of SeaWorld trainer Dawn Brancheau has been the catalyst for major changes in how the theme park handles its killer whales. The whale responsible for Brancheau's death, has died in Orlando.

Donald Trump held a news conference in New York on Wednesday. NPR's politics team, with help from journalists across the newsroom, live-annotated his remarks.