The Greek island of Santorini has been described as breathtakingly beautiful, but a swarm of recent events has prompted thousands to head for the mainland. After that report, we're turning our attention to the human brain: Some scientists are studying the presence of plastics in it, while others are working to develop new treatments for brain diseases. The crash of a meteorite in Canada, the Stradivarius violin expected to fetch millions, and the "endless skydive" are some of our other topics!

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Today's episode was sponsored by EF Educational Tours. Learn more at eftours.com/travel!