RALEIGH, N.C. — A drop of water might be all it takes to revolutionize wound healing. Researchers have developed a $1 bandage that, when activated with water, generates its own electrical field to ...
Have you ever fallen and scraped your elbow or knee so badly that it bled? If so, you or an adult probably cleaned the wound, stopped the bleeding, and then placed a bandage over it. Try this activity ...
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