If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The strangers in your dreams are actually people that you've seen in real life.
50