The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Liquid TIDE laundry detergent glows under a blacklight.
96
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44