As American researchers say they tried to discourage He Jiankui from pursuing what he claims are the world’s first genetically edited babies, the Chinese scientist insists he is proud of his work and revealed that another volunteer is pregnant.
Pregnancy is quite a feat. The embryo manages to develop, get food, and get rid of their waste, all while staying under the radar of their parent’s immune system. Hosted by: Olivia Gordon Continue reading
Dinosaur sex … it’s as awkward as it sounds. Learn how Dinosaur mating has more to do with how birds and reptiles get it on then you think. Continue reading
Part of why we’re so fascinated with extinct dinosaurs it’s just hard for us to believe that animals that huge actually existed. And yet, they existed! From the Jurassic to the Cretaceous Periods, creatures as tall as a five-story building were shaking the Earth.
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
If insects suddenly morphed into large beings and decided to wage war on us, there’s no doubt that humans would lose. Continue reading
The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so how can one twin end up with a genetic disorder while the other twin does not? Robin Ball explains how the secret lies in X chromosome inactivation.
Lesson by Robin Ball, animation by Anton Trofimov.