How to improve your memory for under $20

The human brain is nothing short of a biological marvel, but sometimes (most notably around final exams) it can feel like our noodles can barely hold anything of value in there. Experts believe our short-term memory can only hold about seven items for about 20 to 30 seconds. Meanwhile, you have an average of 70,000 thoughts in a single day. Quick...blurt out as many as you can remember. Yeah...that’s what we thought.

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