When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains in this movie remix.

UFO? Try top secret military aircraft. These are the most mysterious military airplanes, jets and space planes flying today, including the infamous Aurora black triangle, the Boeing X-37, the new Northrop Grumman unmanned RQ-180 stealth drone, the Blackstar space bomber, and stealth Black Hawk helic...

It's a cautionary tale with a twist. Unless we do more to protect them, coral reefs could become extinct by 2050 due to pollution & climate change. This video was released just ahead of the landmark Copenhagen summit on climate change in order to draw attention to the plight of these fragile ecosyst...

Pride is in the air in New York City, and Queerty kicked things off on Friday, June 17th with an unforgettable evening at Current in Chelsea, celebrating this year’s #Pride50 honorees. The looks did not disappoint, naturally, but the real focus was on the 50 trailblazing honorees. Representing every

HAPPY CHANUKAH 2016 FROM TECHNION-ISRAEL INSTITUTE OF TECHNOLOGY A speedy fantasy to light a menorah on the moon. Lecture halls spread knowledge, but also explode the imagination. Look what happens during this astrophysics lecture close to Hanukkah!

The Miami Boys Choir took the world by STORM with this performance of "Yerushalayim". These young men DAZZLE us with clean choreography, stellar vocals, and overall good SHOWMANSHIP!

ShakeUp Music recomposed the Magic Flute "Papageno/Papagena" Duet into a colorful Mozart bird aria. Listen to an audiovisual Twitterstorm performed by our feathered fellows. Keep the birds on singing by sharing this video!

Seventy-one people from around the world sing to the tune of Adele's "Rolling in the Deep", some more successful than others, stitched into a single track.

It turns out that some of the most well-known logos in the world were purposefully designed to indicate something much more than simple beauty. In fact, it seems that in some cases, every line, curve and color has meaning behind it. Check out these 16 logos with a hidden message.

In LUCY IN THE SKY, Natalie Portman plays Lucy Cola, a strong woman whose determination and drive as an astronaut take her to space, where she’s deeply moved by .the transcendent experience of seeing her life from afar. Back home as Lucy’s world suddenly feels too small, her connection with real