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!

Since the first performance in 1995, the annual Fire Island Dance Festival has become the Island's most anticipated cultural event of the season. Fire Island Dance Festival features an eclectic mix of world-renowned and emerging dancers, dance companies and choreographers. The weekend-long festival ...

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

The 25th epic edition of Broadway Bares celebrated the golden age of Broadway with an evening of ripped dancers, cheeky choreographers and sumptuous showgirls on Sunday, June 21, 2015, for Broadway Cares/Equity Fights AIDS. Top Bottoms of Burlesque featured 222 of of New York’s sexiest and most tale

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

A Major 5.8 earthquake rattles the north east coast of the United States on Tuesday August 23, 2011 around 1:15 PM ET. The earthquake was felt in Washington DC and New York City as well as throughout the rest of the coastal states from South Carolina to Massachusets. The Pentagon was evacuated as ...