This 3,000-year-old tomb has a big secret. Plus, watch penguin chicks dive off a 50-foot cliff; does obsessive multitasking kill joy?
Want to keep your brain in shape? Try these 5 puzzles
Want less stress, more happiness? They come at a cost. Plus, another celestial wonder tonight
Limited Time: Double Your Impact and Receive an Octopus Plush!
LIVE NOW: Watch #EclipseAcrossAmerica before it's over!
What do long-haul flights do to your body? Plus: an experiment with psychedelics to treat brain injury; the psychological effects of the eclipse; how much vitamin D do you really need?
Eat invasive plants with your kids, make an eclipse viewer, and a quiz about ‘exploding head syndrome’
This week’s Top 10: psychedelics; Ice Maiden of Ampato; is getting a DNA test for your dog worth it?