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This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.

Sea turtles navigate using Earth's magnetic field like a GPS. Scientists found they learn and remember magnetic locations.

President Donald Trump said he is banning federal use of paper straws, saying they "don't work" and don't last long. Instead, he wants the government to exclusively move to plastic. "It's a ridiculous ...