Microbes In Space
There are creatures that were living on the Space Station before the first astronauts went inside. Astronauts found a few living on the Moon. Scientists believe they could even live on Mars. These creatures are capable of living almost anywhere--and they're…
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Geology
Glaciers: Rivers of Ice
Glaciers are massive sheets of ice that occur on every continent of the world except Australia. These giant…
Mathematics
What Are Squares And Square Roots?
The mathematical term 'square' comes from the two-dimensional shape of the same name. A square shape has the…
Astronomy
What is Dark Energy?
Because he originally thought the Universe was static, Einstein conjectured that even the emptiest possible…
Biology
Pass the Iodized Salt Please
Have you ever wondered why common table salt contains iodine? It's because iodine is essential to your health.…