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Past Stories

Past Stories by Title

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Aging

Aging - January 2007
Will research into "longevity genes" help us live longer and healthier lives?

Download (79.2 MB)

Art Authentication

Art Authentication - July 2008
See how clever computer algorithms can distinguish a master fake from a masterpiece.

Download (81.78 MB)

Brain Trauma

Brain Trauma - July 2008
Even so-called "mild" head injuries turn out to be anything but.

Download (73.17 MB)

Bird Brains

Bird Brains - July 2008
Clues to the origins of human language are turning up in the brains of birds.

Download (81.2 MB)

Capturing Carbon

Capturing Carbon - July 2008
An eighth-grader's science fair project prompts her scientist father to develop a new way to pull excess carbon dioxide out of the atmosphere.

Download (78.23 MB)

Dark Matter

Dark Matter - June 2008
Turns out most of the universe is held together by a mysterious, invisible substance.

Download (89.14 MB)

Emergence

Emergence - July 2007
How does the "intelligence" of an ant colony or the stock market arise out of the simple actions of its members?

Download (74.6 MB)

Epigenetics

Epigenetics - July 2007
Our lifestyles and environment can change the way our genes are expressed, leading even identical twins to become distinct as they age.

Download (82.7 MB)

First Primates

First Primates - July 2008
Our most distant primate ancestors, which took the stage shortly after the dinosaurs left it, were tree-dwellers the size of mice.

Download (84.35 MB)

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