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Tuesday, March 26, 2013

Shots - Health News

Sequencing Of HeLa Genome Revives Genetic Privacy Concerns

A micrograph of HeLa cells, derived from cervical cancer cells taken from Henrietta Lacks.

March 26, 2013 Henrietta Lacks' family was never consulted before her genetic information was made public. Author Rebecca Skloot, who chronicled the story of her cells, says current regulations aren't covering the privacy questions that come up for people like the Lacks family.

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Thursday, December 06, 2012

Shots - Health News

Perfection Is Skin Deep: Everyone Has Flawed Genes

When researchers looked at the genetic sequences of 179 individuals, they found far more defects in the patterns of As, Ts, Gs, and Cs than they expected.

December 6, 2012 Researchers found a surprising number of mutations, including several associated with disease, in the genes of normal healthy people. Their study raises questions about whether widespread genetic sequencing could end up scaring people for no good reason.

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Monday, December 03, 2012

Shots - Health News

Genome Sequencing For Babies Brings Knowledge And Conflicts

By sequencing a newborn's genome, doctors could screen for more genetic conditions. But parents could be confronted with confusing or ambiguous data about their baby's health.

December 3, 2012 Technology now exists that makes it possible for doctors to decipher the entire genetic code of a newborn. Should it be done? What about fetuses in the womb? That's now a possibility, and it's stirring intense debate.

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Wednesday, October 24, 2012

Shots - Health News

Geneticists Breach Ethical Taboo By Changing Genes Across Generations

An image of researchers at Oregon Health & Science University removing the nucleus from the mother's cell before it's inserted into the donor's egg cell.

October 24, 2012 Scientists have made changes in human DNA that can be passed down from one generation to the next. The researchers say they took the step to try to prevent women from giving birth to babies with genetic diseases. But the research is raising a host of social and moral questions.

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Wednesday, September 26, 2012

Shots - Health News

Scientists Go Deep On Genes Of SARS-Like Virus

Cheryl Gleasner, a research technologist at the Los Alamos National Laboratory, works with a genome sequencing machine designed for disease surveillance. Since the SARS epidemic in 2003, advances in sequencing technologies have greatly speed up the ability to detect and track a new virus.

September 26, 2012 Scientists have partially decoded the genetic sequence of a new virus, which has killed one man and hospitalized another. Advances in sequencing technologies have helped health workers rapidly respond to the virus in ways that they couldn't during the SARS epidemic of 2002.

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Tuesday, September 18, 2012

Shots - Health News

As Genetic Sequencing Spreads, Excitement, Worries Grow

Slides containing DNA sit in a bay waiting to be analyzed by a genome sequencing machine.

September 18, 2012 The cost of deciphering a person's genetic code has dropped faster than the price of flat-screen TVs. But some experts are concerned that access to genomic information could stoke fears and invade privacy.

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Wednesday, September 05, 2012

Shots - Health News

Scientists Unveil 'Google Maps' For Human Genome

Human chromosomes like these contain genes and lots of other genetic material whose function has been a mystery.

September 5, 2012 For decades, scientists thought that most of our genetic code was essentially useless filler between our genes. But the results of a massive project to understand this so-called junk DNA reveal that it contains switches that control how genes function.

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Monday, August 20, 2012

Shots - Health News

Search For Parkinson's Genes Turns To Online Social Networking

Submitting a DNA sample to networking company 23andMe entails spitting a saliva sample into a plastic vial.

August 20, 2012 For a few hundred dollars and a vial of spit, a growing number of companies will search your DNA to try to predict your disease risks. One of them hopes to mine their data to find out which genes are linked to Parkinson's disease.

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Monday, July 09, 2012

13.7: Cosmos And Culture

Think You Know Silicon Valley? Take A Closer Look

Just one of the skills needed to make the Silicon organism work.

July 9, 2012 Entrepreneurs are just one part of the organic machine that is Silicon Valley. Replicating the Valley's success isn't possible without bringing all of the pieces together in a symbiotic system.

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Thursday, June 07, 2012

Shots - Health News

New Fetal Genetics Test: Less Risk, More Controversy

June 7, 2012 Scientists have deciphered the entire genetic code of a fetus, taking a sample from the mother's blood. While less risky than current alternatives, it also leaps into the abortion debate, with parents eventually having the option to test for all kinds of traits.

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Thursday, April 26, 2012

The Salt

Stone Age Mediterranean Farmer ISO Hungry Nordic Hunter-Gatherer?

April 26, 2012 What was a farmer with Mediterranean roots doing in Sweden 5,000 years ago? Bringing farming north to the hunter-gatherers, according to new DNA research.

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Tuesday, August 16, 2011

13.7: Cosmos And Culture

Hunting The Replicators: How Did Life Begin?

How did this get started?

August 16, 2011 While we will never have molecular fossils that can tell us exactly what did four billion or so years ago, our progress in molecular biology is now allowing us to see what likely could have happened

Summary

Tuesday, January 04, 2011

The Two-Way

DNA Evidence Clears Texas Man Who Spent 30 Years In Prison

Cornelius Dupree Jr., center, raises his hands in celebration with his lawyer Nina Morrison, left, and attorney Barry Scheck in Dallas on Tuesday, Jan. 4, 2010.

January 4, 2011 Cornelius  Dupree Jr., 51, was exonerated this morning in a Dallas courtroom. Only two other people in the U.S. have been in prison longer and then been cleared by DNA evidence.

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