The eye chart with the big "E" on top is called a Snellen Chart.
Before writers ever thought to separate their words with spaces or punctuate their sentences with periods, documents were routinely arranged into visible, helpful paragraphs.
This is how to do Halloween right.
Learning about how your city runs doesn't have to be boring.
The actor returns to his roots with some spirited fantasy play.
This bright 'wallpaper' is equal parts beautiful and horrifying.
Anna Keville Joyce's art looks good enough to eat … maybe because it is.
The "backyard photo" of Lee Harvey Oswald isn't a fake, as conspiracy theorists argue.
The hollowed-out gourds provide a spectacle, but are they seaworthy?
Some American presidents have their faces on currency, some get memorialized in film and literature.
Ever wondered who knew whom in Early Modern Britain?
Thieves may be an established caste among some ant species.
The Mütter Museum recently discovered it owns the nation's largest collection of books bound in human leather—and now a research team is trying to track down the rest of the world’s examples.
The title was previously held by Kelly's colleague Mike Fincke, who spent 382 days in space.
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