Mr. Beat
Greenland and Iceland Compared
Iceland and Greenland Both are countries .um, well, Greenland is not exactly its own country. It's part of the Kingdom of Denmark, considered a self-governing constituent country. So it's almost a country? Kind of a country? Well, most...
SciShow
The Chromosomes Hiding in Specks of Lint
Tiny versions of chromosomes show up in things like birds, reptiles, and amphibians. These mysterious lint-like flecks may be the building blocks for our entire genomes.