栖息地受限的野生动物

由于城市的扩张,导致动物的栖息地越来越小。也因为此,他们行动范围受到不同程度的限制。 作者:3sat/nano/Axel Gomille/Michael Habermehl/Sebastian Heger/Sophie Lochau/Ute Rübesamen 翻译和配音:alugha 点击这里查看更多视频:https://alugha.com/TerraX

LicenseCreative Commons Attribution-ShareAlike

More videos by this producer

Attack of retroviruses

Like other viruses, retroviruses attack cells and force them to produce more retroviruses. This is only the first stage of the attack, because retroviruses implant into the genome and become part of our DNA. Authors: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schlegel, Max

Y chromosome and human migration routes

All men who once emigrated from Africa have the same mutation on the Y chromosome. Over time, other mutations appeared that can still be detected today. Author: ZDF/Terra X/Tobias Schultes/Albrecht M. Wendlandt Redub: alugha Click here to see more videos: https://alugha.com/TerraX

What are viruses and how do they attack?

There are probably 100 million different types of viruses. Their attacks always follow the same pattern. The viruses attach to a cell, transfer their genetic material and force the host cells to produce new viruses. Author: 3sat/nano/Docstation/Johan von Mirbach/Anna Grün/Riccardo Giese/Nico Schleg