The chief science advisor of A Neighbor's Choice, Dr. Weiping Yu, returns with another segment of Science and U. The physicist comments on the news that scientists in Tokyo have confirmed quantum response to magnetism in cells. "Of course," Dr. Yu remarks, "when you have magnetic field interact with cells you will see quantum effects." Can twisted light from the beginning of time reveal brand-new physics, as a Live Science article claims? What exactly is "dark matter?" Is the multiverse theory credible?

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