Wikipedia

http://en.wikipedia.org/wiki/Nahcolite The mineral of sodium bicarbonate is called Nahcolite. Get it?

http://en.wikipedia.org/wiki/List_of_plot_twists Wikipedia has collected a list of the most notable spoilers in TV and film.

http://en.wikipedia.org/wiki/Russian_cursive Learn how Russian is written in cursive!

http://en.wikipedia.org/wiki/Permanent_Court_of_International_Justice The Permanent Court of International Justice was the international court of the League of Nations.

http://en.wikipedia.org/wiki/Davy_Crockett_(nuclear_device) The Davy Crockett was a portable nuclear warhead for battlefields.

http://en.wikipedia.org/wiki/Geosmin Geosmin is what you smell after it rains.

http://en.wikipedia.org/wiki/Major_Bummer Major Bummer was a short-lived comic book series.

http://en.wikipedia.org/wiki/George_Cockburn Rear Admiral George Cockburn.

http://en.wikipedia.org/wiki/Timothy_Treadwell The subject of the documentary Grizzly Man. Timothy lived with the bears and when the bears starved they ate him.

Gil's LotD is now available over IPv6! This is our AAAA record.

http://en.wikipedia.org/wiki/The_Ashley_Book_of_Knots The book on knots.