The Week In Numbers: The World's Highest Freefall, A Paralyzed Man Walks, And Driverless Cars Learn To Speed

135,000 feet: New freefall world record, set Friday morning over Roswell, New Mexico. That's 7,000 feet higher than the previous record-holder, Felix Baumgartner.

57 years: Age of Alan Eustace, the Google executive who dove through the upper stratosphere.

40 billion: Number of habitable worlds scientists believe may exist in our galaxy--just one of the amazing facts we learned in our coverage of the science of the movie Interstellar.

98,000: Number of new Ebola cases that could hit Liberia soon without immediate assistance.

149 mph: New speed record for driverless cars. Audi says an automated RS7 hit the mark on a closed course.

4 years: Time Darek Fidyka spent paralyzed after getting stabbed in the back. An injection of brain cells to his spine helped him walk again.