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Past Stories

Past Stories by Subject

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Health & Biosciences | Natural & Human Worlds | Physics & Space Science | Scientist Profiles | Technology & Math

Health & Biosciences

Aging

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

Download (79.2 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)

Brain Trauma

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

Download (73.17 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)

Killer Microbe

Killer Microbe - July 2008
A relatively benign bug becomes a highly lethal pathogen, known to U.S. soldiers as Iraqibacter.

Download (55.57 MB)

Leeches

Leeches - July 2008
A century after falling out of favor among doctors, medicinal leeches are back in hospitals, sucking away on patients' wounds.

Download (71.56 MB)

Of Mice and Memory

Of Mice and Memory - June 2008
Mice placed in enriched environments can recover lost memories, giving hope to those who study Alzheimer's.

Download (79.3 MB)

Obesity

Obesity - October 2006
Examine the biology behind the compulsion to eat.

Download (76.3 MB)

Personal DNA Testing

Personal DNA Testing - July 2008
Genetic testing to assess risk factors for a handful of serious illnesses is now commercially available. But is it a good idea?

Download (77.72 MB)

Profile: Bonnie Bassler

Profile: Bonnie Bassler - January 2007
Her insight into how bacteria "talk" has launched a revolution in biological and medical research.

Download (59.8 MB)

Profile: Judah Folkman

Profile: Judah Folkman - July 2008
Once scorned for his ideas about how cancer grows, the late Judah Folkman is now hailed as a visionary.

Download (71.13 MB)

Profile: Alfredo Quiñones-Hinojosa

Profile: Alfredo Quiñones-Hinojosa - July 2008
He jumped the fence from Mexico to work as a farmhand and ended up a leading brain surgeon.

Download (67.98 MB)

Profile: Pardis Sabeti

Profile: Pardis Sabeti - July 2008
By night she's a rocker. By day, she's a Harvard geneticist tracking the evolution of the human genome.

Download (52.37 MB)

Profile: Edith Widder

Profile: Edith Widder - July 2008
Meet a marine biologist and explorer who has engineered new ways to spy on deep-sea creatures.

Download (59.37 MB)

Stem Cells Breakthrough

Stem Cells Breakthrough - July 2008
Three separate teams overcome a biomedical hurdle—creating stem cells without the use of human embryos.

Download (88.18 MB)

Health & Biosciences | Natural & Human Worlds | Physics & Space Science | Scientist Profiles | Technology & Math


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