◆ Fact of the day

Gresham's Law: bad money drives out good

When two coins share a face value but not the same precious metal, people spend the cheap one and hoard the good one - so the bad money wins.

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Today’s mix

Technology Energy

A Kilowatt-Hour Is the Unit on Your Electricity Bill

45 sec read

Food & Drink Beverages

Coca-Cola began in 1886 as a pharmacist's cure-all - minus the wine

45 sec read

Language & Communication Writing Systems

Easter Island May Have Invented Writing From Scratch

50 sec read

Society & Economy Politics & Law

Rome's Twelve Tables were the first written Roman law

70 sec read

Human Body & Mind Psychology

A single word in a question can rewrite a witness's memory

75 sec read

Space Solar System

Chaucer Hid a Sky-Date in a Barnyard Fable

55 sec read