Nanobots may sound like the stuff of science fiction, but you may be receiving a prescription for them sooner than you think.
Read MoreRoses Are Red, Violets Are Wine-Dark
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.
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