As fundamental as color is to our sensory experience, we may all actually see things very differently from each other. We can think of color vision in three layers: at the bottom, the biology of perception; above that, the way we talk about color; and at the top, how our color preferences emerge.
Read MoreMonsters in Your Head
In movies and mythology, zombies are mindless un-dead humans, turning everyone in their path into zombies as well. Too bad they’re real – in protein form, that is.
Read MoreBlood on My Hands: Is Red and Processed Meat Deadly?
The IARC says red meat is “probably carcinogenic” and that processed meat is “carcinogenic.” Just how worried should you be about the meats you are consuming every day?
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