One 75-watt bulb gives more light than three 25-watt bulbs.
57
The only letter not appearing on the Periodic Table is the letter "J".
180
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A ball of glass will bounce higher than a ball made of rubber.
73
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Each day, up to 150 species of life become extinct.
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