The smell of freshly cut grass is actually a plant distress call.
31
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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 bark of an older redwood tree is fireproof.
65
4.5 pounds of sunlight strike the Earth each day.
27
Your brain is 80% water.
525