There is no land at all at the North Pole, only ice on top of sea. The Arctic Ocean has about 12 million sq km of floating ice and has the coldest winter temperature of -34 degrees centigrade.
On an average day, a queen bee lays about 1,500 eggs.
Both female and male African elephants have tusks but only the male Asian elephants have tusks. They use their tusks for digging and finding food.
A tree does not reach its most productive stage of carbon storage for about 10 years.
Elephants have large, thin ears. Their ears are made up of a complex network of blood vessels which with regulating an elephants temperature. Blood is circulated through their ears to cool them down in hot climates.
Small cockroaches are more likely to die on their backs than large cockroaches.
Cranberries are one of just 3 major fruits native to North America. Blueberries and Concord grapes are the other two.
The social life in ants and termites has been accompanied by an extraordinary royal perk: a 100-fold increase among queen ants in average maximum lifespan, with some queens surviving for almost 30 years. This longevity can be attributed in part to the sheltered and pampered life of the queen.
The major ions in seawater are Na+, Mg2+, Ca2+, K+, Sr2+, Cl-, SO42- (sulfate), HCO3- (bicarbonate), Br-, B(OH)3 (boric acid), and F-. Together, they account for almost all of the salt in seawater.