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Why Doesn’t Everybody Have Dark Skin Today?
Questions and answers about the science of skin color.
What Really Inflamed the Coronavirus Epidemic
Censorship didn’t worsen the deadly virus outbreak. Incompetence did.
There’s No Homunculus In Our Brain Who Guides Us
Why the cognitive-map theory is misguided.
Mapping Gay-Friendly Cities Through History
A data analyst uncovers a timeless message about correlation.




