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Several red apples with cut apple in the foreground.

Can Apple Seeds Kill You?

Discover

World Data Locator Map: Australia

Is Australia an Island?

Battle of Puebla. Cinco de Mayo. General Porfirio Diaz leads Mexican cavalry to victory against the French lead by General Charles Lorencez at Puebla, Mexico April 2, 1867. Oil on canvas, 1902. May 5, 1862. General Ignacio Zaragoza

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

Still from Star Wars 1977 from left to right Mark Hamill as Luke Skywalker, Carrie Fisher as Princess Leia, Peter Mayhew as Chewbacca, and Harrison Ford as Han Solo

The 40th Anniversary of Star Wars

Horses. Equus caballus. Horse stable. A brown horse looks out from his stall through the window.

Horsing Around: 7 of the Weirdest Racehorse Names in History

green digital binary symbols

What Comes After Terabyte?

cyanide: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

cyanogen potassium cyanide potassium ferricyanide hydrocyanic acid hydroisocyanic acid cyanide poisoning nitrile inorganic compound salt nitrite carbonate phosphate nitrate sulfate organometallic compound oxyacid salt carbonic acid silicone

Demystified

Several red apples with cut apple in the foreground.

Can Apple Seeds Kill You?