The common goldfish is the only animal that can see both infra-red and ultra-violet light.
A notch in a tree will remain the same distance from the ground as the tree grows.
Dolphins cannot stay long underwater because they breathe through their blowholes above water.
Laika (dog) became the world’s first space traveler. Russian scientists sent the small animal aloft in an artificial earth satellite in 1957.
One-tenth of the Earth’s surface is always under the cover of ice. And almost 90 per cent of that ice is to be found in the continent of Antarctica.
Scientists estimate that more than three-quarters of Earth’s surface is of volcanic origin, that is, rocks either erupted by volcanoes or molten rock.
Wolves in the Arctic have to travel much longer distances than wolves in the forest to find food and will sometimes go for several days without eating.
The giraffe is one of the quietest animals: it has no vocal chords to make any noise.
Crocodiles swallow stones to help them dive deeper.
Eighty-five percent of all the plants and animals live in the sea.
At any given time, on average there are about 1800 thunderstorms occurring on earth with 100 lightning strikes per second.
The Golden “Poison Dart” frog in South America is most poisonous vertebrate in the world.
Earth is referred to as the BLUE PLANET. Because from space, the oceans combined with our atmosphere make our planet look blue.
Angel Falls in Venezuela is the worlds highest waterfall, The water of Falls drops 3,212 feet (979 meters).
The world’s deadliest recorded earthquake occurred in 1557 in central China, more than 830,000 people were killed.
The Pacific Ocean has an average depth of 2.4 miles (3.9 kilometers).
Total fertility rate of the world is 2.59 children born/woman. Niger is 7.46 (highest), India is 2.73, US is 2.09 & Hong Kong is 0.95 only (Lowest).
Tree roots stabilize the soil and prevent erosion.
On an average, most people blink about 15,000 times in a 16-hour day (awake.)
The 236 ft or 72 m high Ada Tree of Australia has a 50 ft or 15.4 m girth and a root system that takes up more than an acre.