The elephant is the earth’s largest land animal. Asian elephants (also known as Indian elephants) are found in Southeast Asia, and can be distinguished by their arched back which is slightly taller than their shoulders or rump. African elephants live …[Continue]
First Aid
First aid is the initial care given to an injury until medical treatment is available. In many cases, providing the right care immediately can save lives. Today’s picks are a roundup of sites that teach and review first aid practices, …[Continue]
Apollo 11
I remember that summer night, July 20, 1969, when Neil Armstrong and Buzz Aldrin walked on the moon. I tell my kids this story, and I know that for them, it is a story from another lifetime. They grew up …[Continue]
Units of Measurement
What do inches, pints, centimeters, degrees, kilobytes and seconds all have in common? They are units of measurement. Learning when to use which unit, and how to convert from one to another is this week’s topic….[Continue]
Stargazing
Interested in astronomy? Backyard stargazing is a simple first step. Experts advise us to learn the sky with the naked eye before investing in a pair of binoculars, and don’t rush to buy a telescope. More great advice can be …[Continue]
Scientific Evidence
Scientific evidence is data gathered by the scientific method of experimentation in support of or against a hypothesis. To further validate scientific research, before publication in most scholarly journals, scientific research is reviewed by a panel of experts to determine …[Continue]
Dog Breeds
Dogs have been cross-bred for thousands of years, resulting in a hundreds of breeds. The American Kennel Club, however, recognizes just 157 dog breeds, although most people could probably name fewer than a dozen. Whether you are trying to find …[Continue]
Static Electricity
Has your hair ever stood out from your head after pulling off a wool cap? That’s the result of static electricity. In their usual state, atoms are electrically neutral because they contain an equal number of positive protons and negative …[Continue]
Snow
Today’s collection of snow sites include both a scientific and artistic exploration of the subject. For example, if you’ve ever wondered how to preserve snowflakes on microscope slides, or how to make sparkle snow paint, you’ll find your answers (and …[Continue]
The Flu
Influenza, also known as the flu, is a viral infection marked by fever, headaches, muscle aches and a cough. Flu season runs from November to March, with a flu vaccine available in early fall. In the US, influenza kills tens …[Continue]
