A Moment of Science
Whether from playing too much basketball or jogging in ill-fitting sneakers, we've all had blisters. But what are blisters, and how do they form?
The body must produce the liquid part of blood, called plasma, and the cells that float in it.
Although Everest had first been climbed in 1953, this was the first successful ascent to be made without supplemental oxygen.
Those tiny dots are actually blood cells moving in the retina of your eye.
Can you name three types of stem cells in your body? Learn about the different kinds of stem cells in the body and how they can help treat leukemia.
What happens in your body when you're frightened? Find out on this Moment of Science.
This means that instead of staying in one place, the cancer cells migrate from their original site to other parts of the body.
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