Northern extremes. Camouflage is a key survival strategy for many animals. But what do you do if your habitat changes dramatically with the seasons? From high mountain habitats to the Arctic north, animals have developed a seasonal wardrobe to stay under cover — and stay alive.
Millions of Brazilian free-tailed bats spend summers in the Bracken Cave near San Antonio, Texas. A study finds they're arriving earlier and staying longer as the planet warms. Credit: Ann Froschauer/USFWS
Global sea level rise is accelerating incrementally over time rather than increasing at a steady rate, as previously thought, according to a new study based on 25 years of NASA and European satellite data. Credit: NASA's Goddard Space Flight Center/Kathryn Mersmann
Agent Smith: Why, Mr. Anderson? Why do you do it? Why get up? Why keep fighting? Do you believe you’re fighting for something? For more than just your survival? Can you tell me what it is? Do you even know? . . . You can’t win. It’s point less to keep fighting. Why do you persist?! Neo: Because I choose to.Air Jordan Westbrook 0.2