Cows can smell odors six miles away.
Most stars shine for at least 10 billion years.
The Earth's equatorial circumference (40,075 km) is greater than its polar circumference (40,008 km).
The largest lake in South America is Lake Maracaibo.
The katydid bug hears through holes in its hind legs!
Sunlight can penetrate clean ocean water to a depth of 73 meters (240ft.)
The fungus Cordyceps is able to "mind-control" other insects like ants to climb plants and attach there to become its food.
On average, people spend more than five years of their lives dreaming.
The Sun travels at a speed of 250km (155 miles) per second, but it still takes 230 million years for it to complete a single revolution of the galaxy.
There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.