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A Moment of Science

Posts tagged human beings

February 19, 2014

 

An iguana sits on a branch

How Did Green Iguanas End Up On Anguilla?

How a group of iguanas travelled across the water to the island of Anguilla may surprise you.

April 17, 2009

 

Pollen covered honey bee

Die, Bee, Die!

In evolutionary terms, a "successful" organism is one that passes on its genes -- not necessarily one that lives a long life.

September 27, 2003

 

Here, Boy!

Point at a ball and a dog will look at the ball, whereas a cat will probably look at your hand. Dogs seem to have a ready understanding of how human beings direct attention by pointing, and can follow our gestures almost as if they thought the same way we do. Of course, dogs probably […]

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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