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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Author Annalee Newitz (Gawker Media's Gizmodo editor-in-chief) talks to us about Earth's 5 mass extinctions, as well as the possibility that we live in one right now.
When peering thousands of years into the future, there are certain things we can count on -- evolution, extinction, plate tectonics, climate change and, quite possibly, the eruption of a supervolcano. What else does the Earth's far future hold?
Let's assume that long ago Homo sapiens communicated by grunting at one another. How and when did all those grunting sounds evolve into a verb tenses, clauses and proper nouns?
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Imagine a time in Earth's far-flung past when organisms didn't swim through the oceans or populate the lands. Even the mighty dinosaurs hadn't arisen. Will the planet ever return to that lifeless state?
By Robert Lamb
When a basketball superstar makes a 3-pointer, the multimillion-dollar paychecks go into his or her bank account. But why don't his or her parents get the glory? After all, didn't they provide the DNA that allowed for such incredible success?
We don't admit to breaking up with someone because of his looks, or that we've read our boss's private e-mails. We answer "fine" when someone asks how we are, even if we're not fine at all. Why is polite society all about the big fib?
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.
By Josh Clark
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Batesian mimicry is an evolutionary strategy used by vulnerable species to look like a dangerous species so predators will leave them alone. But it only works under the right circumstances.
How did life on Earth begin? Theories abound, but one popular one posits that it started spontaneously from primordial ooze on our planet, while another holds that it literally came from outer space. Who's right?
By Josh Clark
You'd think being able to smell drinkable water would be an evolutionary advantage. But we can only smell things that suggest potable water. Why is that?
Neanderthals may be long gone, but their genetic footprint lives on — in us.
By Robert Lamb
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The newly developed family tree of Earth’s 2.3 million species is a first draft of the 3.5-billion-year history of evolution.
Have you ever seen a baby with a tail? How about a whale with legs? Believe it or not, these things happen. They're called atavisms, and they might help us figure out evolution.
Evolution is a never-ending process, but some scientists believe it might be speeding up as human activity impacts the environment.
By Bambi Turner
We're used to taking the phrase "survival of the fittest" to mean it's an "every man for himself" world. But some animals (like worker bees) sacrifice themselves to ensure their species lives on. Why would they do this?
By Dave Roos
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If dinosaurs hadn't gone extinct, you wouldn't exist. Extinction may seem inherently bad, but sometimes the death of a species encourages new life.
Where did humans come from? How did they migrate throughout the globe? Thanks to a longstanding anthropological concept and an unexpected discovery, conventional wisdom on human migration may be irrevocably shattered.
By Josh Clark
Everyone knows that humans require food, water and shelter, but what about knowledge? It turns out that we have an innate, unquenchable need to seek out new things and new stimuli. Aren’t you curious?
By Josh Clark
You stub your toe, and it begins to throb almost immediately. You wince as the pain takes hold for a moment and you can't concentrate on anything else. But is some pain just in your head?
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A society run by women doesn't have to be the mirror opposite of one run by men. What does a matriarchy look like, and is it possible you're already living in one?
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?
Every species on Earth, from the majestic humpback whale to the bacteria happily living in your gut, has a special role to play within a defined ecosystem. Can organisms ever trade their existing niches for new ones?
The Galapagos Islands may have played a grand role in Darwin's theory of evolution, but they're notable for more than their finches. What strange species populate these remote islands?
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If wisdom teeth are so wise, why do they keep sprouting in the gums of people who don't need them anymore? Should a lack of wisdom teeth give you bragging rights as a highly evolved human?
We make a big deal about modern humans being smarter than Neanderthals, but, really, are we?