Discovering Something New -- ongoing learning

We are bombarded by rays of energy all the time. This is electromagnetic radiation. Your eyes can detect some of these rays, but most of th...

Mammal Average time in minutes Human 1 Polar bear 1.5 Pearl diver (human) 2.5 Sea otter 5 Platypus 10 Mus...

After World War I (1914-1918), inflation in Germany was so high that millions of marks were required to buy even the most basic item. As a...

Lava is magma that breaks the surface and erupts from a volcano. If the magma is very fluid, it flows rapidly down the volcano’s slopes. Lav...

Between 1820 and 1970, 36 million people left Europe to come to the United States. (National Geographic)

Sea anemones are animals that look like flowers, with dozens of brightly colored tentacles that wave about in the water. The tentacles deliv...

High in the atmosphere is a layer of ozone that performs an important job: It screens out much of the sun's harmful ultraviolet radiati...

The sunlight interacting with the Earth's atmosphere makes the sky blue. In outer space the astronauts see blackness because outer spa...

Light is a form of energy visible to the human eye that is radiated by moving charged particles. Light from the Sun provides the energy ne...

He was an Italian philosopher, astronomer, and mathematician who made fundamental contributions to the sciences of motion, astronomy, and s...

Three of the winning photographs in 1990 Scholastic Art Awards competition, which includes divisions in drawing, and many other forms o...

A name given to any of a number of species of ants in recognition of their painful, burning stings. They are a variety of stinging ants with...

About 80 per cent of our planet's fresh water originates in the mountains. In some mountainous areas the rivers are permanently frozen...

The average human body is covered with about 20 square feet or 2 square meters of skin. Weighing almost 6 pounds (2.7 kilograms), the ski...

A legal holiday observed annually in the United States on the fourth Thursday of November. In Canada, Thanksgiving falls on the second Mond...

The tallest known mountain in the solar system is Olympus Mons (Latin for Mount Olympus), located on Mars. It is a large volcano built almo...

Fever, also known as pyrexia, is the rise in the body’s temperature, as measured in the mouth, above 37° C (98.6° F). Fever is a symptom of ...

At six weeks a translucent form reveals the dark mass of heart and liver at its center . Now a half inch long, the embryo floats in th...

Even at room temperature, glass appears to be a solid in the ordinary sense of the word. However, it actually is a fluid with an extremely h...

Kites have been valuable scientific tools. The most famous experiment involving a kite was conducted by Benjamin Franklin during a thunderst...

In a burst of brilliant color, a tiny bird appears. It hovers for a second in front of a flower, its wings beating so fast that they are n...

Color is determined by the wavelength of its light (the distance between one crest of the light wave and the next). Those colors that blend...

Several years ago, a quartet of scientists studying IQ did a survey among average folks on what they believed were the characteristics of a...

Earth is the densest of the terrestrial planets. It is made up of a crust, mantle and core. The Earth's crust is the thinnest of these ...

The Halloween customs that we observe on October 31 had their beginnings long, long ago. They came from the beliefs of the druids -priests...

On April 22, 1990, some 200 million people in 140 countries joined in a common cause: to save the Earth. It was Earth Day 1990- an event th...

Dreams, most experts believe, are messages from our subconscious. Buried feelings and fears are called up and interwoven with events that t...

In earlier centuries, nursing care was usually provided by volunteers who had little or no training—most commonly men and women of various ...

As you look at the pictures below, please keep in mind the following two points: 1. One sugar cube = 1 teaspoon of sugar, which weighs 4....

If you are making models of the Earth and Moon to show their relative size and mass: the Earth would be a ball of clay 6 inches in diamete...

The Arabic alphabet is an offshoot of the early Semitic one, probably originated about the 4th century AD. It has 28 letters and is based o...

The Milky Way is a barred spiral galaxy 100,000–120,000 light-years in diameter containing 200–400 billion stars. The human body … consists...

The Milky Way is the galaxy that contains the Earth. This name derives from its appearance as a dim "milky" glowing band arch...

Sources of Vitamin C in the Diet Food mg Vitamin C % of RDA raw orange 45 75 raw grapefruit 37 62 raw apple 5.7...

Also called dog-faced monkeys, they live in brush, grassland, or rocky country, foraging on the ground for roots, seeds, fruits, insect...

Cells are the smallest structures capable of basic life processes, such as taking in nutrients, expelling waste, and reproducing. All livin...

The mountainous country of Greece includes more than 2,000 scattered islands and has one of the largest merchant fleets in the world. (Nati...

Atom is the tiny basic building block of matter. All the material on Earth is composed of various combinations of atoms. Atoms are the smal...

Mountains make up about one-fifth of the world's landscape, and provide homes to at least one-tenth of the world's people. (Interne...

By studying sleeping volunteers, researchers have learned that there are different kinds of sleep. Every night, you go through a number of ...

There are 62,000 miles of blood vessels in the human body – laid end to end they would circle the earth 2.5 times. (Internet Sources)

The apple is one of the world's most popular fruits. Apple trees don't bear their first fruit until they are four or five years old...