Safari Live - Day 129 | National Geographic

Let’s switch it on. Let’s see what it does. Through this coil of thick wire, we’re about to pass a huge alternating electric current. On top is a 1 kg aluminum plate. So we hear that noise. What’s that noise? It’s the vibration of the plate because it’s v…

ALBERT LIN (VOICEOVER): Maritime archaeologist Garry Momber has been exploring these waters for 20 years. Thank you. ALBERT LIN (VOICEOVER): The English Channel is a notoriously difficult place to dive. Meticulous preparations are vital. Visibility isn’t…

When I started this YouTube channel, I became fixated on the day it would succeed. I stopped going out with friends and spent almost every waking moment working towards and dreaming about the future. When I did manage to go out with friends, I spent all m…

Where we left off in the last video, we were in 1902-1903, and Mendelian genetics had been rediscovered at the turn of the century. Bovary and Sutton independently had proposed the chromosome theory, that the chromosomes were the location for where these …

Two of the most studied operons are the trip operon and the Lac operon, and what I want to do in this video is focus on the trip operon, which is essential for the production of tryptophan. Tryptophan, which you might recognize as an amino acid often asso…

Hello readers! Let’s talk about poems. Poetry is a special kind of writing. If ordinary writing is like talking, then poetry is like singing. Poetry is a way of making art with language. Poems can express huge ideas or feelings. They can be about the soun…