December 21 is the winter solstice, the shortest day of the year.
Christmas Gift Ideas from the 19th Century.
Classic Christmas drunken fruitcake recipe: Check the whiskey. Pour 1 level cup and drink. Repeat.
The Long Lost World of the Luxury Flying Boat.
Loud orgies of Mexican fish could deafen dolphins, say scientists.
ICYMI, Monday’s links are here, and include the Scientific American guide to cheating in the Olympics, the anniversary of the Wright brothers’ first flight, how to have a British Christmas, and it’s not just humans – ‘High-Ranking Male Primates Keep Wafting Their Sex Stink at Females, Who Hate It”.