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7 Scary Extinct Animals That Were Absolute Terrors

animals.howstuffworks.com/extinct-animals/10-terrifying-extinct-cetaceans.htm

If you thought sea monsters were just the stuff of myth, you thought wrong. With giant, razor-sharp teeth, ancient cetaceans - the ancestors to modern whales, dolphins and porpoises - make even nightmares seem dull.

Pet Pictures

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There are many types of animals that make for good pets. Check out these pet pictures at HowStuffWorks.

Worm, Harvest, Blue: Every Full Moon Has a Name

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Everyone's heard of the blue moon and the harvest moon, but every other full moon of the year has a name, too.

Groundhogs Are More Than Just Meteorologists

animals.howstuffworks.com/mammals/groundhogs.htm

Groundhogs are omnivorous and hibernate for three months out of every year. HowStuffWorks gets to know more about these little mammals.

What Is Cork Flooring?

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Cork flooring provides a nice alternative to hardwoods and other types of flooring. Learn all about cork flooring at HowStuffWorks.

Allosaurus Was a Massive 'Flesh Grazer' and Possible Cannibal

animals.howstuffworks.com/dinosaurs/allosaurus.htm

A full grown Allosaurus could be up to 34 feet long, stand 9 feet tall and weigh around 3 tons. This dino was a monster who, scientists suspect, would even eat his own kind.

What Is Deforestation?

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Deforestation, or the removal of forests, contributes to global warming. Learn how deforestation harms our plants and animals -- even to extinction.

How a Brinicle Works

science.howstuffworks.com/environmental/earth/oceanography/underwater-brinicles.htm

Underwater icicles, also called brinicles or sea stalactites, form when super-cold brine meets normal seawater. The sub-zero phenomenon can kill some sea life.

How Deinonychus Upended the Way We Look at Dinosaurs

animals.howstuffworks.com/dinosaurs/deinonychus.htm

The 1964 discovery of Deinonychus in southern Montana was groundbreaking for many reasons, mostly because it helped prove that birds are direct descendants of dinosaurs.

Jade Plant

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Jade plant is a thick-stemmed succulent plant with fleshy leaves edged in red. It's very easy to care for and will survive even under quite adverse conditions. Read about this African native.

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