The pool scene in Las Vegas is among the most awe-inspiring in the world, with many complexes boasting amenities like waterfalls, wave pools, lazy rivers, real sand beaches, and unmatched luxury.

Earth is teeming with organisms that manage to survive in the most extreme environments, including in some rare deep-sea brine pools in the Red Sea, which very nearly went undiscovered.

A groundbreaking new study provides the first consistent global picture of glacier decline since 2000, revealing that glaciers across the world have lost a whopping 5% of their volume since then.