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Evolution by Natural Selection: Examples and Effects of Adaptation

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Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?

How well do you know zoology?

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Animals ... we love 'em! But there's a lot more to the animal kingdom than YouTube videos of doggies and kitties. Test your knowledge of zoology with our quiz!

Eugenics Overshadows the Legacy of Scientific Genius Francis Galton

science.howstuffworks.com/innovation/big-thinkers/francis-galton.htm

Francis Galton did pioneering work in meteorology, psychology, statistics and biometrics. But today he is mainly remembered for promoting eugenics.

How can soft tissue exist in dinosaur fossils?

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Soft tissue in dinosaur fossils is very rare, and when it does turn up it often contains many surprises. Learn about soft tissue in dinosaur fossils.

Why would there be no more fish in 40 years?

animals.howstuffworks.com/endangered-species/no-more-fish.htm

According to a study published in Friday's issue of the journal Science, there will be no seafood left to catch by 2048. Learn more about seafood at HowStuffWorks.

How Octopuses Work

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The two centimeter male pillow octopus is dwarfed by his six-foot female pillow octopus mate. Learn more about the intriguing octopus.

Tulip

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Tulip is an easy-to-grow flower that blooms in almost every color. Learn about growing, propagating, and using tulips at HowStuffWorks.

Spiderwort

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Spiderworts are weak-stemmed plants with 3-petaled flowers. Plant spiderwort in shade or indoors as a house plant. Learn more at HowStuffWorks.

Koi Fish Are 'Living Jewels' of the Water Garden

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The colorful superstars of backyard water gardens are actually ornamental varietals of domesticated carp.

What Does 'Caucasian' Really Mean?

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It's easy to equate Caucasian with white. But the word Caucasian touches on issues deeper than skin color. HowStuffWorks looks at its true meaning.

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