The Arctic region of Russia is considered the most inhospitable places to live. But polar bears, lemmings, Arctic foxes, and seals - Arctic - simply heaven. In late August, with the onset of the breeding season is going very strong male musk for traditional competitions for the right leadership in the pairing with females. Weight of an adult bull can reach 400 kilograms. In a skirmish with a rival musk ox to deliver a decisive blow running away at 40 miles per hour. Sound from the blow horns fighting males can be heard at a distance of more than one kilometer.
Adam Rutherford meets a new creature created by American scientists - the spider-goat. It is part goat, part spider, and its milk can be used to create artificial spider's web. It is part of a new field of research, synthetic biology, with a radical aim: to break down nature into spare parts so that we can rebuild it however we please.
Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When those megafauna disappear, the result is a "trophic cascade," where every part of the ecosystem reacts to the loss. How can we stay in balance? George Monbiot suggests rewilding: putting wolves, lions and other predators back on top -- with surprising results.
This documentary follows a spectacular pioneering story of nature preservation. Engadin was created 100 years ago and the wildlife left without human interference to re-populate the Alps first nature reserve. Now ibex, lynx and wolves are thriving in this pristine area.
2015 • Nature
Space. It separates you from me, one galaxy from the next, and atoms from one another. It is everywhere in the universe. But to most of us, space is nothing, an empty void. Well, it turns out space is not what it seems. From the passenger seat of a New York cab driving near the speed of light, to a pool hall where billiard tables do fantastical things, Brian Greene reveals space as a dynamic fabric that can stretch, twist, warp, and ripple under the influence of gravity.