A Moment of Science

Posts tagged survival

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?

April 22, 2008

 

Neanderthal Skull Replica

Left Exposed to Extinction

The Neanderthals were smart, tough, and well-adapted to the cold where they lived in regions north of Africa, so what happened to them?

December 12, 2007

 

Hand picking apple from tree

Humans Take A Stand Part 2

One theory as to why humans began walking upright notes that when our species was just getting its start, the ability to reach up for fruit was beneficial.

August 7, 2007

 

Adelie penguins on shore

Down…Set…Penguin

Ever wonder what penguins do all day? Learn more on this Moment of Science.

October 31, 2006

 

a little boy makes an angry face

Facial Expressions

How good are you at reading faces? Scientists have found that your gender may affect this ability.

February 10, 2006

 

boy_girl

Why Are There Males and Females?

Why are there males and females? Why are there two sexes instead of three, or twelve, or one?

December 1, 2005

 

Sticking with the Crowd Can Save Your Life

Close your eyes and imagine that you’re a Mormon cricket. Why, you ask? Well, Mormon crickets are interesting. Like desert locust, they sometimes form large bands that march across the landscape of northeastern Utah and northwestern Colorado, and basically eat everything in their way. Learn more on this Moment of Science.

August 25, 2005

 

Eat Thy Neighbor

Have you ever wondered why cannibalism isn’t more popular? Just think about it, each animal is made of a complex variety of chemical ingredients. As an animal, we can either try to assemble these ingredients haphazardly, eating other animals and plants and hoping these assorted meals will add up to exactly what we need. Or we can get all our essential nutrients in one complete package by dining on our next-door neighbor! Learn more on this Moment of Science.

February 17, 2005

 

Why Did the Proto-chicken Cross the Road?

Very few people actually sit down and make up jokes, yet everyone is always telling jokes. Where do they come from? Learn more on this Moment of Science.

September 23, 2004

 

Calling Dr. Darwin

Is a fever always bad? Find out on this Moment of Science.

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