A Moment of Science

Posts tagged natural selection

April 14, 2014

 

A reddish horse with a flowing blonde mane stands in the snow

Warming 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?

January 18, 2012

 

Chest X-ray

How To Create A Superbug

When the drugs we use to heal us create unintended monsters.

March 21, 2006

 

eo_wilson

E.O. Wilson

What do you think about the idea that some of your behaviors may be naturally selected through the process of evolution?

March 8, 2006

 

coral_snake

Batesian Mimicry in Snakes

Batesian mimicry, is the process by which a palatable animal or plant species evolves to mimic an unpalatable animal or plant.

January 2, 2006

 

Grounded, with Wings

How's it feel to be grounded with wings? Find out on this Moment of Science.

September 27, 2003

 

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 rhythm — it’s a daily cycle of behavior that is internal to the organism, rather than being solely triggered by the environment.

September 27, 2003

 

Natural 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 make the choices.

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