1. The Diplodocus could whip its tail so fast it would break the sound barrier, producing a canon-like boom. 2. Herbivore dinosaurs had to eat leaves instead of grass, because grass (a C4 plant) didn't evolve until 10 million years ago.
1. Scientists have recently discovered repeating radio signals coming from a mysterious source well beyond the Milky Way. While one-off fast radio bursts (FRBs) have been detected in the past, this is the first time multiple signals have been detected coming from the same place in space. 2. In 2016, an intricate, 300-year-old map of the world was discovered wedged into a chimney in Aberdeen to stop a draft. It was delivered to the National Library in Scotland for painstaking restoration.
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