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DiscoveryThe Genius of AccidentsEpisodes

    Finding the Coelacanths

    3/3A huge, four-limbed fish, was discovered 65 million years after its supposed extinction

    The Big Bang and Jet Streams

    2/3Evidence for the big bang was initially thought to be a mistake in the data

    Viagra and CRISPR

    1/3Viagra was first developed to treat heart disease, but it had some surprising side-effects