Helen looks at volcanoes. With shocking eyewitness footage of eruptions, and new thermal imagery and ultra-high speed photography, we can now capture on camera the complex processes crucial to understanding how and why these forces of nature erupt.
Following 161 84 views About Export Add to From the Great Pyramid at Giza to the towering skyscrapers of today, humans have engineered massive constructions for at least 5,000 years. But why? How do biology and human emotions affect our desire to build gigantic structures?
21m • 2013 • Big History
Sharks are among the most misunderstood predators on the planet, but an international team of scientists is trying to change that. Their research is revealing that sharks can be sociable and intelligent, and they could even help solve some of the toughest medical challenges of the 21st century. However, their breakthroughs come just as many sharks face extinction. Science may now be the only way to save them.
57m • 2015 • Shark: Beneath the Surface
In the balmy tropical Atlantic, everything from dolphins, manatees and whale sharks to sunbathing jellyfish thrive in the Caribbean's warm, sheltered waters, fringed with coral reefs and rich mangrove forests. But extreme heat in Africa unleashes terrifying hurricanes, causing chaos across the region.
58m • 2015 • Atlantic: The Wildest Ocean on Earth