Joshua FoerNature vs. Nurture Inspired by Joshua Foer’s TED talk, I became interested in learning memory techniques. Here are my main takeaways from his talk. Great memory is learnt. The memory champions use the spacial memory and navigation parts of their brain to remember, while untrained people don’t. The trick to remember is to engage as many senses and meanings as you can. The Mnemonic Peg System I came across the Mnemonic Peg System while reading about how to remember dreams better.