Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Sound travels about 4 times faster in water than in air.
408
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The sun is 330,330 times larger than the earth.
75
A ball of glass will bounce higher than a ball made of rubber.
73