The UK’s problems aren’t caused by immigration | Tim Harford
In 1799, the German adventurer-scientist Alexander von Humboldt set out on what would prove to be a five-year exploration of South America. Young, independently wealthy and almost absurdly energetic, Humboldt took a vast array of instruments with him. A one-man harbinger of the age of big data, he measured the circumferences of cacti, the air…