Athlete Shortens Career To Donate Bone Marrow

A University of New Hampshire track and field star hailed as a hero after he quit the team so he can donate bone marrow has given two liters of it to a complete stranger.

Cameron Lyle, a senior, grabbed national attention last week when he said he would selflessly end his collegiate track and field career to give the gift of life to a 28-year-old leukemia patient.

Mr Lyle does not know the patient's name, but was told that he had been given just six months to live.

Jack Andraka's Amazing Cancer Detection Invention

Fifteen-year-old Jack Andraka recently won the world's largest high school science competition for his development of a new, cheap and accurate test for detecting pancreatic cancer.
[Note: We want you to see these talks exactly as they happened! The archive footage might be a little rougher than the usual TED.com talk.]

You Won't Believe The Effect The Internet's Having On Your Brain. Actually, You Will.

This first part of this video explores the disturbing effect the Internet has been having on our brain's ability to focus. I didn't get around to watching the second part, but it's probably more things like that about the brain and stuff.