Balsa wood is classified as a hard wood!
41
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Hot water can freeze faster than cold water.
181
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The only letter not appearing on the Periodic Table is the letter "J".
180