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Posts tagged sex

December 10, 2018

 

The Heat is On For Painted Turtles

Temperature determines the sex of painted turtle hatchlings, and climate change is tipping the balance to an all-female future.

August 23, 2012

 

Anthiases feed on plankton in the water column close to reefs. They undergo a sex change from female to male at a certain size.

Sex Changes In Nature: Yes, It Does Happen!

Females can activate their testes and deactivate their ovaries.

July 6, 2012

 

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Sex And Violence

Have you ever stopped to wonder why sex and violence so often go hand in hand?

September 26, 2011

 

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American Sexuality: A Force In Flux

The results of Indiana University's National Survey of Sexual Health and Behavior provide an empirical look into Americans' sex lives.

March 3, 2011

 

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

 

How To Define “Male” And “Female”

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

October 20, 2010

 

Fish That Change Sex?

Did you know that there are fish out there that can change sex?

October 3, 2010

 

Battle Of The Stresses: A Common Cause Of Arguments Between Sexes

A study shows that men and women may have much different responses to stressful situations.

June 10, 2009

 

R-rated Movies and Smoking

Were you allowed to watch R-rated movies as a kid? Do you smoke now? Learn about the link between smoking and R-rated movies on this Moment of Science.

March 4, 2009

 

Family Planning, Aphid Style

Female aphids don't need males to reproduce. Their trick is called "parthenogenesis" and means big savings in time and energy.

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