Scientific Minds Want To Know
 |  | Astronomers work out the size of a distant icy object by watching it pass in front of a bright star. |
Wolf packs are hard-working family enterprises and assets to their ecological communities – that's why we shouldn't treat them like outlaw gangs.The biggest living thing with teeth
It hunts the largest squid in the world, and helps combat climate change in the process. How does the sperm whale do it?
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