Scientists identify fusion point of Robertsonian chromosomes, hinting at how chromosomes evolve

In about one out of every 800 people, two chromosomes fuse together to form an unusual bond. These are known as Robertsonian chromosomes. It's a mystery that has long stumped scientists.

Use the ‘Feynman Method’ to Tell If You’re Ready for a Test

The best teachers really grasp the concepts they're educating students on. There's a reason for that and you can harness the memory power of teaching, too.