River Nile in Africa is the longest river (6,825 kilometres) of the earth.
An apple tree is at irs prime when it is about 50 years old. The United States produces about 100 million barrels of apples a year. That’s a lot of old trees.
The Persian Gulf is the warmest sea. In the summer, its temperature reaches 35.6 degrees centigrade.
The brain uses more than 25% of the oxygen used by the human body.
Louisiana loses about 10 square miles (78 square kilometres) of land each year to coastal erosion, hurricanes, landslide, as well as other human and natural causes.
One American named Roy Sullivan has been struck by lightning a record 7 times.
An ostrich’s eye is bigger than its brain.
The longest living cells in the body are brain cells, which can live an entire lifetime.
Trees improve water quality by slowing and filtering rain water, as well as protecting aquifers and watersheds.
Asparagus is a member of the lily family, which also includes onions, leeks and garlic. But asparagus has a unique mild flavour—nothing like the flavour of its onion cousins.
Onions contain a mild antibiotic that fights infections, soothes burns, tames bee stings and relieve the itch of athletes’ foot.
The shark has to keep moving to stay alive.
Belcher’s sea snake is the most poisonous snake in the world.
While only 2% in weight, the human brain requires 15% of the body’s heart work, 20% of oxygen and 25% of all glucose.
For each minute of the day, 1 billion tons of rain falls on the earth.