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Tech Time Machine: 25 April

What makes you you and me me? A scientist would say it's obvious: DNA.

Now playing: Watch this: Tech Time Machine: 25th April
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What makes you you and me me? A scientist would say it's obvious: DNA.

We take a look back at this day in 1953, when James Watson and Francis Crick finally cracked the secret of DNA's structure. Also on this episode, we take a journey down the Suez Canal, upon which work began today in 1859.