Carl Sagan, Stephen Hawking and Arthur C. Clarke. God, The Universe and Everything Else (1988)

Stephen Hawking, Arthur C. Clarke and Carl Sagan (via satellite) discuss the Big Bang theory, God, our existence as well as the possibility of extraterrestrial life.

Discovering the 18kg Antarctic Meteorite

Here's a video showing the discovery of a meteorite weighing 18kg on the ice sheet, by scientists working at Princess Elisabeth Antarctica. The discovery, which took place on January 28 2013, was the largest such find in 25 years.

Volcanic Hazards in New Zealand

Brad Scott describes the different volcano types and potential threats in New Zealand. Active volcano footage thanks to Geoff Mackley.