Keeping Sunflowers in the Dark
Surprisingly, even though there is no light to catch, the sunflower will continue to bend every day just as it did when it was outside. This is a classic example of what scientists call a circadian...
View ArticleNatural vs. Artificial Selection
In this instance, nature is said to have "selected" the camouflaged butterfly over other variations that weren't as well hidden. In "artificial selection," the same thing happens, only we human beings...
View ArticleGrounded, with Wings
According to natural selection, species evolve in ways that better enable them to survive and pass on their genes. However, sometimes evolution takes what may appear to be odd and unexpected turns....
View ArticleBatesian Mimicry in Snakes
Batesian mimicry, is the process by which a palatable animal or plant species evolves to mimic an unpalatable animal or plant. The idea is that the predator drives natural selection by learning to...
View ArticleE.O. Wilson
What do you think about the idea that some of your behaviors may be naturally selected through the process of evolution? Learn more on this Moment of Science.
View ArticleWarming And Mammalian Dwarfism
55 million years ago, as the Earth heated up, many mammal species got smaller. Could the same thing happen again with human-induced global climate change?
View ArticleEvolving Better Eyes
A small crustacean called Daphnia provides evidence that larger eye size yields a reproductive advantage.
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