They can flow like a liquid and bounce back like a solid. Masses of fire ants show a duality that intrigues physicists.

What happened when Expedition PROTECT and American Promise arrived at Jeffrey's Ledge, a marine protected area in the Gulf of Maine? The crew tells us about what they are doing and why.

This video is a Webby Award winner. Amnesty International supporters have used the power of words to demand freedom and justice for countless human rights defenders around the world. Our words are proof that when you stand up for human rights, you never stand alone.

Young black bears need to be careful when encountering the North American porcupine. Enjoy more footage from Alaska and Princess Royal Island in British Columbia, where young raccoons are also out and about.

During the night, Sam Gruber's team of biologists has captured a young tiger shark, a perfect candidate for their scientific research.

Wild Sharks, a film by Sigurd Tesche, follows Professor Samuel Gruber who has been researching sharks for more than fifty years. He founded the Bimini Biological Field Station, called the Sharklab, on Bimini Island in the Bahamas.

Soho is an area of the City of Westminster and part of the West End of London. Long established as an entertainment district, for much of the 20th century Soho had a reputation as a base for the sex industry in addition to its night life and as a location for the headquarters of leading film companies.

Ever wondered why most Americans don't like tea? Have they ever even tasted a cup of tea properly prepared? Simon Jones is convinced that they haven't and gives a nice detailed description, taken from "The Hitchhiker's Guide to the Galaxy," of how to make a proper cup of tea. Enjoy!

Bob Marley's universal appeal, impact on music history and role as a social and political prophet is both unique and unparalleled. This film documents the definitive life story of the musician, revolutionary, and legend, from his early days to his rise to international super-stardom.

Eco the Butterfly stars in this 60-second spot now airing on some PBS television stations. It made its debut on PBS affiliate WXXI in Rochester, NY.

Recently as a Save the Children Ambassador, Julianne Moore visited one of the poorest, most remote communities in the mountains of Appalachia in rural Kentucky where Save the Children has worked for more than 75 years.

Kitesurfing artists show their stuff and perform very impressive and flawless techniques at their favorite spot. Video provided by Naish Kites

The trailer for this documentation shows the mistreatment of sharks by humans. We are reminded that sharks also form a part of nature and as such play an important role and need to be protected.

Cabrinha Kites takes you snowkiting in the UK and kitesailing at the “Core Slider Jam” in Western Australia.

Let's look at how Long Island was formed around 20,000 years ago. It has to do with a glacier that brought plenty of material along with it and left some behind when it receded.