Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The smell of freshly cut grass is actually a plant distress call.
31
Iron weighs more after it rusts.
16
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Diamonds can be shattered with a hammer.
-104
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71