Short version: Under certain conditions, your lungs can partially recover after you quit smoking, but that doesn’t mean…
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According to Greek mythology, Zeus punished Prometheus for giving fire to humanity. He ordered Prometheus to be chained to a rock and sent an eagle to feast on his liver.…
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Scientists ran an experiment with a freshwater animal called the hydra. They ground the animals in a porcelain mortar and stirred the resulting paste into water. After a while, new…
