The smell of freshly cut grass is actually a plant distress call.
31
Balsa wood is classified as a hard wood!
41
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Each day, up to 150 species of life become extinct.
-23
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The sun is 330,330 times larger than the earth.
75