Eighty years ago today: June 30, 1934 was the Night of the Long Knives, Hitler’s purge of those standing in his way.

Coffee-flavored wine, in a can.

Map of the hometowns of of Marvel superheroes.

How to peel an entire bag of potatoes in under a minute

Why do seagulls hang out in parking lots?

The science of mermaids.

Bake the best chocolate-chip cookies by knowing what to tweak.

ICYMI, Friday’s links are here, including Star Trek technologies moving from sci-fi to science fact, cutest animal parenting photos, buffalo bodypainting, and calculating the amount of real dinosaur in a plastic dinosaur.