As the last of the winter snow melts, fresh mountain meadows are once again revealed, and the animals take their chance to feed. Glacial meltwater flows into torrents, forming streams and rivers. Brightened by rich sediment, they transport vast quantities of gravel downstream, carving new landscapes in their wake.

As spring arrives in the mountains, the first flowers appear with the sun, and the chamois descend the slopes in search of the first few blades of fresh grass. The ravens are feeding a brood of noisy youngsters, and, high up on an unapproachable crag, Biker the eagle sits on her nest.

After the murder of the mission director, Vincent is convinced that Gattaca will find out he is not actually Jerome Morrow. In this clip, the real Jerome Eugene Morrow tries to convince Vincent that his identity is safe.

Under the ice, the water of the Alpine lakes never freezes, and fish can survive the harshness of winter. In February, eels and other fish species are spawning, depositing the eggs that will give life to their next generations. Along fast-flowing mountain streams, ice doesn’t form, and the dipper dives in search of invertebrates, crustaceans, and other tiny prey.

In winter, Europe’s greatest mountain range, the Alps, lies blanketed by snow and ice. For the majestic golden eagles, who make these remote and impressive peaks their home, these are hard times, and food is scarce. But one eagle is lucky: An avalanche results in an unexpected meal.

English comedian Michael MacIntyre discusses the ironies of new technology. First, he talks about Google Earth and the address most people first type in when they try it out. Then he takes on motion sensors in public restrooms.

Vincent uses the perfect DNA of Jerome Eugene Morrow, a former swimming star paralyzed due to a car accident, in order to land a job at Gattaca Aerospace Corporation and achieve his dream of space travel.

Ed Sheeran wrote the song "Sing" for his album x (pronounced "multiply") with help from Pharrell Williams, who also produced the song. The upbeat dance track is a departure from his usual folk rock sound and tells the story of a great night out.

In a song that defined early rock and roll, the ever flamboyant Little Richard sets the tone, with his powerful vocals over a driving, distinctive rhythm. Music would never be the same again.

Maggie has just landed in Mexico, and heads straight for Tulum, a once crucial trading post for the Mayan civilization, with spectacular clifftop ruins.

The film "Gattaca" takes place in a future in which society is driven by eugenics. In this clip, we see the story of Vincent's (played by Ethan Hawke) inauspicious beginnings as a naturally conceived child with a very limited life expectancy.

John has fond memories of exploring New York City with his father. He remembers the Chelsea neighborhood as an area where not much was happening — a "no man's land," as he calls it. However, it’s changed a lot since then.

SINGinKA is a group that comes together to sing in a pub every month. In this video, you can hear them perform Roxette’s wistful and romantic ballad “Listen To Your Heart.”

Just how smart are dolphins? Can they tell their own reflection apart from another dolphin? Here we see examples of "self-directed" behaviors that answer this question.

The army rounds up everyone who came into contact with Campion after he and his family escaped from the facility where the virus was being developed. This includes Stuart Redman, who was working at the gas station where Campion met his demise, and Stuart's wife.