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1:05 Medicine
The doctor who said wash your hands
0:54 Music
Why Some Notes Sound Good Together
1:03 Art history
The trick that made paintings look real
1:09 Linguistics
Why English spelling makes no sense
1:13 Cryptography
Sharing a Secret in Public
0:53 Computer science
How a Computer Writes the Letter A
1:11 Psychology
Why You Forget What You Studied
0:51 Economics