Mars had an oxygen-rich atmosphere around 4 billion years ago
13
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A cow produces around 200,000 glasses of milk in her lifetime.
373
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The strangers in your dreams are actually people that you've seen in real life.
50
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14