A Moment of Science
How did animals respond to the ice age? Ancient bison preserved in the Canadian arctic have given scientists a clue.
Why do we age? Science didn't really start investigating that question until the 1960's.
It turns out that in reality turtles are also winners in the marathon race of life. "Death-defying Turtles" on this Moment of Science.
There’s a common belief that men can sire children until they die, but that women need to be relatively young to conceive healthy children. But the father’s age affects the child’s health too.
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