Why Does an Astronaut Need a Spacesuit?
Why Does an Astronaut Need a Spacesuit? A spacesuit enables an astronaut to survive by providing him artificially with conditions like those he is used to on Earth....
Read MoreWhy Does an Astronaut Need a Spacesuit? A spacesuit enables an astronaut to survive by providing him artificially with conditions like those he is used to on Earth....
Read MoreWhen Do Plants Breathe? Technically, plants don’t breathe. But plants do respire. Like animals, they use oxygen in the process of breaking down carbohydrates, and use...
Read MoreWhat Is a Camel’s Hump For? A camel uses its hump as a portable storehouse of fat from which to draw nourishment when food is scarce. These odd protrusions are mounds...
Read MoreWhere Do Lichens Grow? Lichens are found throughout the world, often occupying areas where no other plant can become established. They are found in the Alpine and...
Read MoreWho Were Able and Baker? On May 28, 1959, aboard the JUPITER AM-18, Able, a rhesus monkey, and Miss Baker, a squirrel monkey flew a successful mission. They were the...
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