The Compass: Humanity's irreversible imprint, a stunning new find on Venus, and the surprising source for Turkey's volcanoes.

This week, we explore the world of geology.  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌    ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌  

 

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SEE BELOW, CAN YOU GUESS THE RIGHT ANSWER?

THE COMPASS

This week, we explore the world of geology. Discover how humanity has left an irreversible imprint upon Earth's rocks, learn about the stunning new find that shows Venus is volcanically alive, and uncover the surprising source of Turkey's volcanoes. Plus, top stories you may have missed.

PHOTOGRAPH BY TIM PATTERSON Humanity left an irreversible imprint upon Earth's rocks. Here's how. Studying everything from atomic bomb fallout to pesticide residues, scientists are close to defining the start of the Anthropocene—the geologic age of human impact. A NEW GEOLOGICAL EPOCH?

PHOTOGRAPH BY NASA/JPL Venus is volcanically alive, stunning new find shows The discovery may help scientists answer an existential question: What mysterious cataclysm turned Earth’s sister world into a fiery hellscape? SCIENTIFIC GOLD

GOOD READS

1. Which one of these spiders is a black widow? 2. Frequent flyer: the effects of air travel on the human body 3. Are your hormones unbalanced—and what does that even mean? 4. This toad can get you high—really, really high. Poachers have taken notice.

PHOTOGRAPH BY AMANDA LUCIER, THE NEW YORK TIMES VIA REDUX Mount St. Helens isn't where it should be. Scientists may finally know why. The volcano is responsible for the deadliest eruption in the U.S., yet many mysteries remain about the closely watched peak, including why it formed in the first place. CONSPICUOUSLY OUT OF PLACE

APPROXIMATELY HOW MANY TONS OF DIAMONDS LIE BENEATH OUR FEET? A. 100 BILLION B. 10 TRILLION C. 1 QUADRILLION CLICK TO SEE IF YOU'RE RIGHT!

PHOTOGRAPH BY JOHN WREFORD, SOPA IMAGES/LIGHTROCKET/GETTY IMAGES The surprising source of Turkey's volcanoes lies more than 1,000 miles away Scientists have long wondered how volcanoes formed in central Anatolia despite being far from tectonic plate borders—now they've found evidence of a hot plume of magma flowing from East Africa. A PERPLEXING QUESTION

PHOTOGRAPH BY ARBEN LLAPASHTICA The land of the Sleeping Beauty Cave is waking up to tourism Formerly war-torn Kosovo has many natural wonders, including some of Europe’s most stunning underground worlds. AT LEAST TWO MILLION YEARS OLD

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