A Moment of Science

Posts tagged evolution

March 10, 2009

 

Perched colorful scarlet lorikeet

Why Birds of a Feather Are What They Eat

Many bird-of-paradise species have evolved colorful plumage - a result of special eating habits and behaviors.

January 29, 2009

 

Three-spined Stickleback with ruler

Evolution: A Crooked Pathway

Unfortunately, evolution often detours along a crooked path until species become more "fit" for their environments.

January 20, 2009

 

Close up of frog in water

You Can’t Eat What You Can’t See

One of the most impressive feats of muscular coordination in nature is the very common instance of a frog darting out its tongue in order to catch a fly.

January 19, 2009

 

Baby elephant with mother

Elephant Memory

A study on elephant memory shows that having a strong memory helps elephants survive in the wild.

December 22, 2008

 

Minnows swimming at river bottom

For Minnows, A Suicidal Survival Strategy

If a minnow's skin is damaged by an attacking pike, it releases a chemical that attracts more pike. Why would a minnow want to attract more trouble?

December 8, 2008

 

Two dogs running through water

Man’s Best Friend—in All Shapes and Sizes

Isn't it amazing that dog breeds like the Chihuahua and the Great Dane can vary so much in size, yet be the same species?

May 20, 2008

 

Rafflesia Flower

World’s Largest Flower’s Unusual Gene Sharing

The flowers of Rafflesias are the largest in the world. But the rest of the plant is minuscule and has no leaves, roots or stems.

April 29, 2008

 

Humpback whale breaching

A Whale of Evolution

Whales must have evolved from some other larger, ancient creature, right? However, sometimes evolution takes unexpected twists.

March 26, 2008

 

The author's Grandmother

The Grandmother Hypothesis

In most species, the females die once they hit menopause and no longer reproduce. Why do human females live long after they're no longer able to have children?

March 26, 2008

 

The Junk Food aisle at a local grocery store

Why Do We Love Junk Food?

You appear to turn down fatty foods with a stoical disregard, when nobody is looking you dive into a deep-dish pizza. It's okay, everyone does this, but why?

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