Quora

Are conversations in the White House recorded?

The Oval Office is home to some of the most confidential and important conversations, but are they kept secret?

Do aliens exists? If so, where are they?

It's a question we earthlings have been grappling with for a long time, but the answer may not be straightforward.

How is NASA's ISS protected from space debris?

The movie Gravity showed us what could happen if a space station gets hit by space debris. But how likely is such an event in real life?

Why are airlines allowed to overbook flights and then bump passengers?

United Airlines removed a passenger from a flight, and it sparked a controversy as to why they'd done it. But what was the reason behind it?