If you looked at butterfly wings from the genus Morpho, they would appear to be a deep blue color. But what you’d be seeing wouldn’t be blue pigment, but nanoscopic structures called “lamellae” that diffract visible light and only show blue.
There are more Lebanese in Brazil than there are in Lebanon.
Bram Stoker, author of the novel Dracula, never visited Transylvania or Eastern Europe.
The most common explanation of the phrase “and Bob’s your uncle” is that it refers to Robert Gascoyne-Cecil, Lord Salisbury, who, when prime minister of Britain, appointed his nephew Arthur Balfour to the post of chief secretary for Ireland.
Getting a vaccine in the morning is more effective than other times of the day.
This article appears in June 3 • 2022.

