GREAT MOMENTS IN SCIENCE: Building a solar system is not without problems, and the first one is the amount of energy you’d need. Dr Karl talks us through the ultimate power bill.
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From the Blog
GREAT MOMENTS IN SCIENCE: Gravitational waves distort the fabric of space-time. How? Gravity is geometry, explains Dr Karl.
Consider wearing zinc or covering up next time you’re snorkeling, says Dr Karl – one popular sunscreen chemical can be toxic for baby corals. ON A TRIP TO the Galapagos Islands, our guide asked us not to use sunscreen at one reef. He told us it was very fragile, and quite small, and that the […]