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...

The Temple University School of Medicine research team's approach looks promising as they work towards a permanent cure and potential for protection against HIV. "This is one important step on the path toward a permanent cure for AIDS," says Kamel Khalili, PhD, Professor and Chair of the Department ...

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!

3D Printing: The hype is real! Engineers, Designers, and everyday consumers are using this new fabrication process to conceptualize and create things that were once impossible. But what does this mean for the future of manufacturing and where do these 3D prints fall on the thin line between copyrigh...

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!

On Easter Sunday (April 12, 2020), by invitation of the City and of the Duomo cathedral of Milan, Italian global music icon Andrea Bocelli will give a solo performance representing a message of love, healing and hope to Italy and the world. Watch live here at 10am LA, 1pm NYC, 6pm UK, 7pm, Italy.

Could so-called “tech tattoos” be the ultimate in wearable technology? “These temporary wearables work by combining conductive paint with tiny electronic components, creating working circuits on the surface of the skin. A heart rate monitor, thermometer, NFC chip or any number of other sensors could

This ESOcast shows how observations at many sites in South America, including ESO's La Silla Observatory, have made the surprise discovery that the remote asteroid Chariklo is surrounded by two dense and narrow rings. This is the smallest object by far found to have rings and only the fifth body in