Billions of neutrinos pass unnoticed through your body every second.
6
One barrel of petroleum holds 42 gallons.
20
Scientists aren't sure what color dinosaurs were.
312
Indoor pollution is 10 times more toxic than outdoor pollution.
62
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
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
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
In zero gravity, a candle's flame is round and blue.
16