A ball of glass will bounce higher than a ball made of rubber.
73
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42