Cold water weighs more than hot water.
93
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound travels fifteen times faster through steel than through air.
134
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound travels about 4 times faster in water than in air.
408