One 75-watt bulb gives more light than three 25-watt bulbs.
57
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A ball of glass will bounce higher than a ball made of rubber.
73
The sun is 330,330 times larger than the earth.
75
Each day, up to 150 species of life become extinct.
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