The smell of freshly cut grass is actually a plant distress call.
31
In zero gravity, a candle's flame is round and blue.
16
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One ragweed plant can release as many as one billion grains of pollen!
51
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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
German chemists made a replica of a trophy the size of one molecule.
68
If the chemical sodium is dropped into water it will immediately and violently explode.
67