In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Your thumb is about the same size as your nose.
124
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The largest breed of rabbit is the Flemish Giant.
65
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Lurch, a Watusi bull, had the largest horns in the world.
32