Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
Squirrels forget where they hide about half of their nuts.
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Our brains have a negativity bias and will remember bad memories more than good ones.
15
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
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You can only remember 4 things at a time.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Caffeine boosts memory.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
43