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Posts tagged mitochondria

April 9, 2009

 

People running in marathon

Why Doesn’t Your Heart Get Tired?

Skeletal muscles are attached to bone structures and cannot stay long in a flexed position without depleting their energy reserves.

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?

October 28, 2003

 

All Muscles Are Not Created Equal

Ever wondered if Olympic athletes are trully gifted genetically? Or does all their success come purely from hard work?

September 27, 2003

 

Dogs of the Orient

Until recently, scientists believed that domestic dogs originated in the Middle East. But reports suggest that almost all domestic dogs began in East Asia as the offspring of three lineages. Virtually all domesticated dogs in the United States descend from dogs brought over by ancient people that crossed the Bering land bridge from Asia to North America.

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