The smell of freshly cut grass is actually a plant distress call.
31
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Sound travels fifteen times faster through steel than through air.
134
Aluminum used to be more valuable than gold!
84
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
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
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20