keel

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Introduction References & Edit History Related Topics

Images

The whaleboat was towed by a harpooned whale until the animal tired. Lances were then used for the kill.

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Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere

Why Do Some Cicadas Appear Only Every 17 Years?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

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Photos

The whaleboat was towed by a harpooned whale until the animal tired. Lances were then used for the kill.

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Topics

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Quiz

Viking Ship

Sail Away: Vocabulary at Sea Quiz