Explore the theory of evolution and its impact on science, including articles on fossils, bioluminescence and animal camouflage.
One kind of flatworm doesn't have a working mouth, because the algae that lives inside of it makes food for the worm. Symbiosis is crucial to the survival of many species. In fact, you're a symbiote yourself. See more »
Is there a magic equation to the universe? Probably not. But thanks to one man's obsession with rabbits, we have a sequence of numbers that reflect various patterns found in nature.
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If you swim like a fish or run like a cheetah, you may understand biomimicry better than you realize. The practice involves imitating models in nature to improve technology and design.
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When Australia became separated from the other continents, its species evolved in isolation. And yet, some of the Australian animals evolved in exactly the same way as the other animals in the world. How?
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Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process.
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Whether they're big or small, extinctions change the world. And while extinctions themselves are all about change, the study of extinction is all about uncertainty. Anything that lives can become extinct, but how do scientists know when it happens?
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Where did humanity begin, and how did we get to where we are now? Did we really all begin in Africa? What made us leave?
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If nature is red in tooth and claw, then "survival of the fittest" sounds like a fight to the death. Natural selection is what drives evolution. Is it true that only the strong survive?
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One kind of flatworm doesn't have a working mouth, because the algae that lives inside of it makes food for the worm. Symbiosis is crucial to the survival of many species. In fact, you're a symbiote yourself.
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Have you ever done something for someone else just because it was a nice thing to do? Do people perform unselfish acts because it feels good or is it just something society wants us to do?
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Polar bears evolved to blend in with the terrain so they could hunt better. What causes one group of animals to split off from the rest of the species and develop new genetic traits?
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A mass extinction on Earth is long overdue, according to population ecologists. Find out what Earth's fossil record may be telling us about our future.
See more »We can see dinosaur and plant fossils at just about any natural museum. What exactly are fossils, though, and how do they form? Find out the answers to these questions in this article from HowStuffWorks.
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