Knee Replacement: Dr. Mary O'Connor Discusses the Surgical Procedure
389 views
Mary I. O'Connor, M.D., chair of the Department of Orthopedic Surgery at the Mayo Clinic campus in Florida, explains what is involved with knee replacement s...
Whiz Kid Invents 20-Second Phone Charge Method
Eesha Khare, a whiz kid from Saratoga, California invented a 20-second method of charging your cell phone. This method was part of the Intel International Science and Engineering Fair in which she participated and won the 1st Prize which was $50,000.
Moon Explosion Visible on Earth
An explosion of a meteorite on the moon caused a brief but bright explosion that was visible from the earth. The moon explosion was caused by boulder-sized meteorite and was monitored by an observatory set up by NASA.