Tag «PLivjPDlt6ApRiBHpsyXWG22G8RPNZ6jlb»

Cancer 101 | National Geographic

Cancer 101 | National Geographic

– [Narrator] Today cancer causes one in every seven deaths worldwide. But how does cancer start, and what is being done to combat it? Our bodies contain trillions of highly specialized cells and each carries genes responsible for regulating cell growth and division. But when a genetic change disrupts this process cells begin to grow …

Coral Reefs 101 | National Geographic

Coral Reefs 101 | National Geographic

(gentle music) – [Narrator] Coral reefs, their bright, vivid colors can be seen in tropical ocean waters around the globe. Beyond their brilliant appearance lies a hidden significance. Coral are animals. Though they may look like colorful plants, coral are, in fact, made up of tiny animals called polyps. These invertebrates can range from the …

One Strange Rock – Trailer | National Geographic

One Strange Rock – Trailer | National Geographic

[suspenseful music] I am going to tell you about the most incredible place. And you know what? You’re walking on it. Our planet is literally bursting with life. [echo] [popping] [plunk] [rhythmic vibrations] There’s so much activity, and our planet is right in the middle of it. I really wish that everyone could see the …

Mars Season 2 – Trailer | National Geographic

Mars Season 2 – Trailer | National Geographic

There are other human beings on Mars now. Coexistence may prove just as challenging as it does on Earth. ELON MUSK: Mars civilization ultimately looks like an advanced version of Earth. SUSAN WISE BAUER: Industry is going to be absolutely vital to that effort. Lokrum is a private corporation. And Linus, you’re here to make …

Ancient Rome 101 | National Geographic

Ancient Rome 101 | National Geographic

– [Narrator] The story of ancient Rome is a story of evolution, of how a civilization’s ability to adapt and dominate can lead to its survival for over 1,000 years. Rome began as a small village on central Italy’s Tiber River. In the coming centuries, it grew into an empire that stretched from the north …

Uranus 101 | National Geographic

Uranus 101 | National Geographic

– [Angeli] In ancient times, humans studied the night sky and discovered the worlds of Mercury, Venus, Mars, Jupiter, and Saturn. But beyond this realm of knowledge, another world shined brightly, just waiting to be discovered. Uranus is the seventh planet from the Sun from a distance of about 20 astronomical units, or 20 times …

The Ancient City of Sela | Lost Cities With Albert Lin

The Ancient City of Sela | Lost Cities With Albert Lin

[dramatic music playing] ALBERT LIN (VOICEOVER): 30 miles north of Petra, I’m laser scanning the ancient city of Sela for the very first time. I’m looking for clues that the nomadic Nabateans settled here. Look at this. There’s pottery just, like, falling out of the ground. That’s the indication for people living here. This is …