Kids

Galaxies

Every galaxy in the universe has on average one hundred billion stars in it. The vast majority of these stars are small and difficult to see: cool red dwarfs and dim white dwarfs.

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March 28, 2013

Water and Oil

Why they don’t mix

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March 14, 2013

Planetarium

Planetarium explained, for kids

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March 7, 2013

Dry Eye

Dry eye occurs when the eye does not produce tears properly, or when the tears are not of the correct consistency and evaporate too quickly. In addition, inflammation of the surface of the eye may occur along with dry eye. If left untreated, this condition can lead to pain, ulcers, or scars on the cornea, […]

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February 28, 2013

Balance

Balance is defined as a state of equilibrium.

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February 21, 2013

Antibiotics

Antibiotics explained, for kids

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February 14, 2013

Indigestion

Indigestion explained

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December 27, 2012

Right Triangles

A right triangle has one angle equal to 90 degrees. A right triangle can also be an isosceles triangle–which means that it has two sides that are equal. A right isosceles triangle has a 90-degree angle and two 45-degree angles. This is the only right triangle that is an isosceles triangle. This version of the […]

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November 15, 2012

Whales

Whales are the largest animals. The largest whale is the giant blue whale which can reach lengths of 90-100 feet and weight as much as 120-150 tons. The commonly seen finback whale is the second largest animal to ever appear on earth.

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November 8, 2012

Cyclone

cyclones explained, for kids

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October 18, 2012

Rhinoceros

A rhinoceros is any of five surviving species of odd-toed ungulate in the family Rhinocerotidae. All five are native to Africa or Asia.

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September 20, 2012

Perspective

“Perspective” in art

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September 13, 2012

Centipedes

centipedes explained, for kids

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August 9, 2012

Minerals explained, for kids

Minerals explained, for kids

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August 2, 2012

Migraine Headaches

Migraine headaches explained for kids

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July 26, 2012

Groundwater

groundwater

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July 12, 2012

Global Seas Rising?

An argument about global sea level rising

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June 28, 2012

Humidity

Humidity

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June 25, 2012

Air Conditioning

The first modern air conditioning system was developed in 1902 by a young electrical engineer named Willis Haviland Carrier…

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June 14, 2012

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