Millions of Americans face sharply rising costs for health care plans they bought through the Affordable Care Act marketplaces, unless Congress acts soon. Here's what's at stake for them.
(Image credit: Chris O'Donnell, Bixon family, Genna Boatright, Ezra McKay and Kristine Weidner)
Sleep scientist Michelle Carr has spent years researching dreaming. She explains dream engineering, including how sensory inputs like light, sound and vibration can influence the subconscious.