Showing results by author "Tina Hesman Saey"

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    • Neandertal DNA Poses Health Risks

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 10 mins
    • Unabridged
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    Finding Neandertal ancestors in the human family tree was shocking enough when researchers announced it in 2010. Now, the implications for modern-day people carrying surviving Neandertal DNA may prove just as stunning.

    Regular price: $1.95

    • Big Data, Big Challenges

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 20 mins
    • Unabridged
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    In my quest to explore the unknown frontier inside my own body, I stumbled upon one of the most intractable problems facing science.

    Regular price: $1.95

    • CRISPR Gets a Makeover

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 20 mins
    • Unabridged
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    Scientists usually shy away from using the word miracle - unless they’re talking about the gene-editing tool called CRISPR/Cas9. “You can do anything with CRISPR,” some say. Others just call it amazing.

    Regular price: $1.95

    • Catalog of DNA Modifications Produces Surprises

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 7 mins
    • Unabridged
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    A series of fine-tuned maps of DNA packaging in human cells reveal dynamic new views of how the genome.s instructions are carried out to build a person.

    Regular price: $1.95

    • Blood Test Can Predict Breast Cancer Relapse

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
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    Cancer DNA in the blood can signal breast cancer’s return long before scans spot it, a new study shows.

    Regular price: $1.95

    • Genetic Tweaks Built Humans’ Bigger Brains

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 4 mins
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    Experiments in mice show how to grow a wrinkled cortex.

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    • Age Isn't Just a Number

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 6 mins
    • Unabridged
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    Some people age faster than others, a long-term study of New Zealanders reveals. But there’s good news for the rapid agers: Studies in mice indicate there may be ways to slow the aging rate.

    Regular price: $1.95

    • Dolly's Cloned Sisters Aging Gracefully

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 4 mins
    • Unabridged
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    Clones don’t age prematurely, new research on Dolly the Sheep’s sisters suggests. Researchers and animal welfare activists have been concerned that cloning, via somatic cell nuclear transfer, could cause health problems in cloned animals. Instead, a study of 13 cloned sheep found no signs of early aging or other health problems.

    Regular price: $1.95

    • Babies Low on Key Gut Bacteria at Higher Risk of Asthma

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 1 min
    • Unabridged
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    First 100 days are critical period for microbe exposure.

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    • Antiaging Treatment Shows Promise

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 4 mins
    • Unabridged
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    Killing worn-out cells helps middle-aged mice live longer, healthier lives, a new study suggests. Removing those worn-out, or “senescent,” cells increased the median life span of mice 24 to 27 percent over that of mice in which senescent cells built up normally with age, Mayo Clinic researchers report. Clearing senescent cells also improved heart and kidney function.

    Regular price: $1.95

    • Toxicologists Look to Epigenetics

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 8 mins
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    Chemical tags on DNA could one day help assess exposure risks.

    Regular price: $1.95

    • Benefits of White or Whole-Grain Bread May Depend on What Lives in Your Gut

    • By: Tina Hesman Saey
    • Narrated by: Sam Scholl
    • Length: 1 min
    • Unabridged
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    Whether standard white bread or an artisanal sourdough loaf is healthier depends on the microbes living in a person’sintestines, a new study suggests.

    "Benefits of White or Whole-Grain Bread May Depend on What Lives in Your Gut" is from the June 18, 2017 Health section of The Washington Post. It was written by Tina Hesman Saey and narrated by Sam Scholl.

    Regular price: $0.95

    • White House Hits Pause on Editing Human Germline Cells

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 1 min
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    The United States will hold off, for now, on clinical experiments that could alter the human germ line.

    Regular price: $1.95

    • DNA Tests Inflate Species Counts

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 4 mins
    • Unabridged
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    Classification requires many types of data, researchers say.

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    • Chemical Tags on DNA Appear to Differ Between Gay and Straight Men

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 7 mins
    • Unabridged
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    Twin study shows distinct patterns of markers along stretches of the genome.

    Regular price: $1.95

    • DNA Variants Tied to Dog Sociability

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 2 mins
    • Unabridged
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    Genes may shape propensity to look to people for help.

    Regular price: $1.95

    • DNA Diversity Data Offer Disease Clues

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 6 mins
    • Unabridged
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    A large study of human genetic variation finds more than 7 million spots where one person’s DNA can differ from another’s. Analyses of such variants, compiled from cataloging the genes of more than 60,000 people, are already offering doctors insights into diseases such as schizophrenia and some heart conditions.

    Regular price: $1.95

    • DNA Data Point to Unknown Hominid

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 4 mins
    • Unabridged
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    Traces of long-lost human cousins may be hiding in modern people’s DNA, a new computer analysis suggests.

    Regular price: $1.95

    • Human Gene Editing Therapies Are OK in Certain Cases, Panel Advises

    • By: Tina Hesman Saey
    • Narrated by: Jamie Renell
    • Length: 6 mins
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    Expert group recommends long-term tracking, other restrictions for germline tinkering.

    Regular price: $1.95

    • 'Selfish' DNA Flouts Rules of Inheritance

    • By: Tina Hesman Saey
    • Narrated by: Mark Moran
    • Length: 5 mins
    • Unabridged
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    Although harmful, R2d2 can sweep through mouse populations. "'Selfish' DNA Flouts Rules of Inheritance" is from the March 19, 2016 issue of Science News.

    Regular price: $1.95

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