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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.

Eustace Hangs From His Parachute

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.

Ebola ward in Lagos, Nigeria.

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

A 2014 Audi RS7

According to Audi, a driverless version of this car set a driverless speed record.

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.

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David Nicholls (left) and his son Dan, who is paralyzed. The Nicholls Spinal Injury Foundation provided funding for the research. Nicholls Spinal Injury Foundation (nsif)

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