Easter Island musical stone went from priceless to worthless

Pu o Hiro is a roadside rock in the Easter Islands, but at one time its value was so great that factions fought over its possession. The rock's natural holes allowed it to be played like an instrument. Rare Earth uses it as a starting point for discussing consensus value. Read the rest

"Rock" resembles perfectly-made little sandwich

Like something you'd find at a genteel wedding or vicarage orgy, this sedimentary sandwich caught the eye of Redditor ibleedcarrots. Suspicion abounds that it may in truth be a beachworn slice of ceramic tile. Read the rest