When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more like a full-body brain workout. What's going on? Anita Collins explains the fireworks that go off in musicians' brains when they play, and examines some of the long-term positive effects of this mental workout.

David Gallo shows jaw-dropping footage of amazing sea creatures, including a perfectly camouflaged octopus, and a Times Square’s worth of neon light displays from fish who live in the blackest depths of the ocean.

In the war zones of Liberia and Congo, four volunteers with Médecins Sans Frontières (MSF) struggle to provide emergency medical care under extreme conditions. With different levels of experience, each volunteer must find their own way to face the challenges, the tough choices, and the limits of their idealism.

The solar airplane Solar Impulse 2 was presented on April 9th, 2014. The construction of the experimental solar aircraft didn't happen in a day. Watch this video about the construction of Solar Impulse 2 and understand the steps that had to be taken to attempt the first solar flight around the world!

The skipper of the Aqua Quest gives us an introductory tour on his boat. He explains the different electronic equipment that is necessary on a boat and talks about some new improvements which have made life easier for him and his crew.

Why would a killer whale go after a great white shark? Enter Alisa Schulman-Janiger, a biologist who is very familiar with the different families of killer whales off the coast of California.

This is part two of the documentary about the Aqua Quest. This time Bob Mayne shows us the sleeping quarters of his crew as well as the galley and what usually gets cooked up for breakfast.

WWF marine advocate Bob Zuur out at night on penguin patrol as part of the Oiled Wildlife Response team.

David and Ben Crystal explain what goes into original pronunciation (OP) productions of Shakespeare and what they reveal about the history of the English language.

WWF: Long-distance swimming puts polar bears at risk of drowning due to fatigue or rough seas. Cubs are at even greater risk because their smaller body size and limited body fat leaves them more prone to hypothermia, and they don’t have the energy reserves of an adult bear.

View part two from the Great Whale Conservancy of this exhilarating encounter with a humpback whale rescued off the shores of Mexico. Enjoy!

All Hands Volunteers is a US-based, non-profit organization that provides hands-on assistance to survivors of natural disasters around the world with maximum impact and minimum bureaucracy. Their mission is to enable volunteers to provide assistance to communities affected by natural disasters.

Get a behind-the-scenes glimpse of the talent and crew who put together the Java Life rap music video for JavaOne 2011.

What does the Holocaust have to do with us, anyway? In part one, Roderick Miller, the chair of the nonprofit organization Tracing the Past, gives a talk at TEDxVienna about the Holocaust and contemporary Europeans' perception of the space they live in.

A film about the global sustainability work of The Prince's Charities, founded by HRH The Prince of Wales.