Is this image real or fake?

Scientist Neil deGrasse Tyson canoodles 
with actress Angelina Jolie... or does he?

Can you tell a real photograph from a fake? The science program NOVA created fake photos using images of NOVA host Neil deGrasse Tyson and mixed them with real images, then challenged digital forensics expert Hany Farid to tell them apart.

Take a look and see if you can spot the compression artifacts, granularities or speckles that reveal the fake: Fake or Real, Nova PBS>>

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