Recombinant DNA (rDNA) | Breakthrough Junior Challenge 2018

Whether you are in a field, in a supermarket, at the pharmacy, it is very likely you are surrounded by genetically modified products. We’ve all heard of them. But how are they made? RECOMBINANT DNA What do all these organisms have in common? DNA, which carries all of our genes. If all organisms contain DNA, […]

Synthetic proteins: Mimicking the molecular machinery of life – Science Nation

[Music] Mile O’Brien: The old saying goes “you can’t beat Mother Nature.” Kent Kirshenbaum: You know, every time we think that we can beat Mother Nature we are humbled over and over again. Mile O’Brien: In cell biology, DNA is usually the star of the show, but DNA’s just a blueprint – a set of […]

The Story of Deciphering the Ribosome – with Venki Ramakrishnan

[MUSIC PLAYING] [APPLAUSE] Well, hello. What a top crowd. How nice to see you all. My name is Vivian Perry and you’ll know who this is. Thank you, Ramakrishnan. And tonight we’re going to be talking about the Gene Machine, Venki’s wonderful book. And if you haven’t read it yet, I urge you to read […]

What is antibiotics? Chemistry Calendar, October: Health

Well, there are many ingredients to a healthy life. For example eating right, doing physical activity and trying to stress less. But there are times when we need that little extra help from medicines. Not long ago, this happened to me. And soon after, this. I was given antibiotics, and ten days later all my […]

From Structure and Function of Ribosomes to New Antibiotics

Well, it’s a great pleasure to be here, and talk to you all. I have to say I’ve never seen such a big audience here. It’s terrific. So what I’m going to do is I’m going to give essentially the talk that I gave in Stockholm. A few little add-ons I have to say, too. […]

Making of the Fittest: Evolution of the Stickleback Fish — HHMI BioInteractive Video

[MUSIC PLAYING] SEAN CARROLL: For tens of thousands of years, much of North America lay buried under ice up to a mile thick. Then the massive ice sheets receded. In what is now Alaska, ocean bound streams and rivers emerge, opening up new possibilities for countless species. [MUSIC PLAYING] One of the animals that came […]

Mutations – selection: the bacteria resist

Mutations – selection: the bacteria resist Aha, here’s our patient! The patient has received all known antibiotic treatments to no effect! In conclusion: either he is not ill, or we have a new strain of microbes! Hmm! Or this could even just be a case of resistance to antibiotics. Let me explain… When the body […]

Stop Saying Sharks Will Cure Cancer

Thanks for CuriosityStream for supporting this episode! Go to to learn more { ♪INTRO } It seems like every time scientists learn something about sharks— like, a new genome is published— everyone suddenly starts going on about whether this new bit of information will finally show us how sharks will cure cancer. And there’s […]