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A ball of glass will bounce higher than a ball of rubber.
Lego produced 381 million tires in 2011, making the world’s largest rubber tire manufacturer by number of units produced.
29,000 rubber ducks were lost at sea in 1992, and are still being found, revolutionising our knowledge of ocean science.
Children and wives whose fathers failed to meet rubber collection quotas in the Belgian Congo were often punished by having their hands cut off.
When dropped from the same height, a hardened steel ball will actually bounce higher than a rubber ball of the same size.
Henry Ford tried to build an American industrialist utopia in the Brazilian jungle, “Fordlandia”, to secure a source of cultivated rubber for his cars.
Before the Columbian Exchange, there were no oranges in Florida, no bananas in Ecuador, no potatoes in Ireland, no coffee in Colombia, no pineapples in Hawaii, no rubber trees in Africa, no tomatoes in Italy, and no chocolate in Switzerland.
There is a movie called “Rubber” and it’s about a car tire that kills people.
The rubber tree isn’t the only plant with rubbery sap, but it is the only one that produces more latex each time it is cut because the wound stimulates its rate of photosynthesis.
The cheetah has “semi non-retractable” claws (almost like dog claws) that work like the cleats on a football shoe to give the cheetah a lot of traction when running. The pads of most cats’ paws are soft, but the cheetah’s pads are hard kind of like the rubber on a tire. This also helps them grip the ground when they are running so fast.