This week’s Top Ten examines the billion-dollar booty of a sunken Spanish gallon; tracks NASA’s ‘Armageddon averters’, learns the extent of early puberty for girls ... and finds out why redheads aren’t dying out. Plus, don’t hit snooze—here's the best way to wake up.

PHOTOGRAPH  COURTESY THE PICTURE ART COLLECTION, ALAMY STOCK PHOTO

PHOTOGRAPH BY SDI PRODUCTONS, GETTY IMAGES

Puberty is hitting girls earlier. How early? Some girls are developing breasts by the age of 6 or 7. These changes could have serious ramifications for the physical and mental health of females worldwide.

PHOTOGRAPH BY  NASA, ESL, DAVID JEWITT/UCLA

Remember when NASA crashed into an asteroid? Humanity's first practice attempt at saving the world from a killer asteroid was a smashing success—but it created unintended consequences. Like what? 

Today’s Soundtrack: I Don‘t Want to Miss a Thing, Aerosmith 

Today’s newsletter was edited and curated by David Beard and produced by Amanda Williams-Bryant. Let us know if you have suggestions, and/or sign up here to get our upcoming Photo of the Week!