A warning to anti-vaxxers from history

A lesson from history for anti-vaxxers that when people stopped vaccinating in 19th century Ceylon – smallpox returned even worse than before as Tony McMahon reports


Did aliens from outer space civilise us?

When I was a kid back in the 1970s, I devoured a hugely popular book by the Swiss author Erich von Däniken called Chariots of the Gods. You may have read it too. His contention was that ancient monuments, carvings and stories clearly evidenced the presence of alien beings amongst us in ancient history. One…