Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Aluminum used to be more valuable than gold!
84
Each day, up to 150 species of life become extinct.
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Iron weighs more after it rusts.
16
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
In zero gravity, a candle's flame is round and blue.
16