In the world of true crime, Fall River, Mass. is known for Lizzie Borden, but another murder 60 years earlier captivated New England. Kate Winkler Dawson tells the story in The Sinners All Bow.

"Olivia put together the most complete walk-on tryout I have seen from a player," said Brown University baseball coach Grant Achilles. Taking the field will fulfill a long-held dream for Pichardo, 18.

These devices measure blood oxygen levels and can help identify when patients are dangerously ill. But research shows they can deliver misleading results for people with darker skin.

How do boa constrictors breathe while constricting their victims? A new study finds that snakes can switch which set of ribs they use to draw in air as they crush their meal before devouring it.