A notch in a tree will remain the same distance from the ground as the tree grows.
The common goldfish is the only animal that can see both infra-red and ultra-violet lights.
Dolphins cannot stay long underwater because they breathe through their blowholes above water.
Other vegetables high in carotenoids are carrots, spinach, potatoes, and collard greens.
Laika dog became the world’s first space traveler. Russian scientists sent the small animal aloft in an artificial earth satellite in 1957.
Americans eat more than 125 pounds of potatoes a year, about half from fresh potatoes and half in processed foods.
One-tenth of the earth’s surface is always under the cover of ice. And almost 90 percent of that ice is to be found in the continent of Antarctica.
Oils from the orange roughly, Hoplostethus atlanticus, a deep-sea fish from New Zealand, are used in making shampoo.
Scientists estimate that more than three-quarters of Earth’s surface is of volcanic origin, that is, rocks either erupted by volcanoes or molten rocks.
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.
A giraffe is one of the quietest animals; it has no vocal cords to make any noise.
Crocodiles swallow stones to help them dive deeper.
Quinine, one of the most important drugs known to man, is obtained from the dried bark of an evergreen tree native to South America.
85% of all plants and animals live in the sea.
Bracts are modified leaves, which are located at the base of a flower. Bracts are usually smaller than the leaves on the stem. Poinsettia and bougainvillea plants have bracts.
An average ear of corn has 800 kernels, arranged in 16 rows.
Soy crayons have been created to replace toxic petroleum crayons; soy crayons are safer to use, brighter in colour and less expensive to produce.