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Science | Life Science | Evolution

These articles explore evolution - the changes seen in the inherited traits of a population from one generation to the next. Evolution is one of the great mysteries of biology, since it is a slow process and difficult to study.

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What's the Malthusian premise?

As the human population soars, our ability to feed all those hungry mouths can't keep pace. How did an English economist by the name of Thomas Malthus wind up thinking about this very issue in the 19th century, and what's his connection to Darwin?


How Biological Anthropology Works

How Biological Anthropology Works

Biological anthropologists seek to understand the differences within and between human populations. Learn more about biological anthropology. See more »

What's the worst extinction in Earth's history?

What's the worst extinction in Earth's history?

The worst extinction in history killed about 90 percent of life on Earth. Find out which mass extinction caused the most destruction at HowStuffWorks. See more »

Why did Neanderthals become extinct?

Why did Neanderthals become extinct?

The arrival of modern humans marked the demise of Neanderthals. Find out why Neanderthals became extinct at HowStuffWorks. See more »

Is extinction ever a good thing?

Is extinction ever a good thing?

When an entire species goes extinct, it may seem like a terrible occurrence. But is extinction ever a good thing? Get the answer at HowStuffWorks. See more »

How Kin Selection Works

How Kin Selection Works

Kin selection proposes that altruistic behavior in the natural world isn't random. Learn more about kin selection and species survival at HowStuffWorks. See more »

Are animals still evolving?

Are animals still evolving?

Evolution is a never-ending process, but some scientists believe it might be speeding up. Learn more about animal evolution at HowStuffWorks. See more »

How to Survive a Mass Extinction

How to Survive a Mass Extinction

Could you survive a mass extinction? See what we can learn from the past to figure out how humans can stick around. See more »

10 Worst Adaptations in the Animal Kingdom

10 Worst Adaptations in the Animal Kingdom

HowStuffWorks explores 10 dumb adaptations (or lack thereof) that humans and the animal kingdom at large have suffered with. See more »

Is the need for privacy evolutionary?

Is the need for privacy evolutionary?

We may share lots of stuff online, but many of us still value a little privacy. Is there a biological basis for privacy? Find out at HowStuffWorks. See more »

Did human intelligence peak thousands of years ago?

Did human intelligence peak thousands of years ago?

The question of whether human intelligence peaked thousands of years ago is a tricky one to answer. Find out what one geneticist thinks at HowStuffWorks.com. See more »