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Posts tagged mammals

March 3, 2011

 

chromosomes

How Chromosomes Vary Across The Animal Kingdom

In mammals, the sex of a baby is determined by the chromosomes it inherits from its parents. But, the combination an animal inherits can be quite different.

March 2, 2011

 

unisex bathroom sign

How To Define “Male” And “Female”

Sure, there are physical differences but outside of mammals, the terms "male" and "female" take on different meanings.

May 25, 2010

 

fingerstoes_103

Why Do We Have 10 Fingers And 10 Toes?

Why not 5 or 15? Why is 10 the magic number when it comes to fingers and toes?

April 6, 2010

 

whale_068

Which Whale Came First, Meat-Eating Or Plant-Eating One?

Scientists have always struggled with this riddle...however, new research is giving some clues to the answer.

July 7, 2009

 

Reindeer

Sneaky Botflies and Clever Reindeer

Botflies are parasites that deposit larvae inside the noses of their hosts, including reindeer. To adapt, the deer learn elaborate behaviors to avoid the flies.

June 17, 2009

 

Whale jumping out of ocean water

How Whales Became Sailors

Learn how whales became sailors on this Moment of Science.

March 17, 2009

 

Bear cub hugging mother

Natal Dispersal: When Kids Leave Home

Scientists think there are a number of reasons why young animals leave home. By doing so, they avoid competing with their relatives for resources.

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.

November 7, 2007

 

Young Echidna

Those Mystifying Mammals, the Monotremes

Have you heard that the long-beaked echidna, which scientists thought was extinct, has been found again in New Guinea? Learn more on this Moment of Science.

June 11, 2007

 

cat with long white whiskers

Why Whiskers?

Sure your cat's whiskers are cute but do they serve a more practical purpose?

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