Sound travels about 4 times faster in water than in air.
408
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
In zero gravity, a candle's flame is round and blue.
16
Sound at the right vibration can bore holes through a solid object.
134