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Is Time Travel Possible? – Scientific American

In movies, the time traveler usually steps into the machine and vanishes. Then instantly reappear between cowboys, knights, or dinosaurs. What these movies show is basically time teleportation. Scientists don’t believe the concept exists in the real world, but neither…

The Bad Side of ‘Good’ Cholesterol

Lewis asked: hello welcome your health fast, Scientific American Podcast series! Josh Fishman: This show focuses on the latest important health news and discoveries that affect your body and mind. Each episode dives into one topic. Discuss diseases, treatments, and…