The smell of freshly cut grass is actually a plant distress call.
31
Hot water can freeze faster than cold water.
181
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Nearly 50% of the world's scientists are assigned to military projects.
71
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Most dust particles in your house come from dead skin.
48
A cubic yard of air weighs about 2 pounds at sea level.
31
4.5 pounds of sunlight strike the Earth each day.
27