Balsa wood is classified as a hard wood!
41
The storage capacity of human brain exceeds 4 Terrabytes.
140
A cesium atom in an atomic clock beats over nine billion times a second.
43
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The smell of freshly cut grass is actually a plant distress call.
31