Showing results by author "Ashley Yeager"

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    • Egg-Meet-Sperm Moments Are Equal Opportunities for Girls and Boys

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 5 mins
    • Unabridged
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    Girl or boy: For expecting parents, it’s a classic question. For scientists studying human demographics, it’s a head scratcher.

    Regular price: $1.95

    • Brains May Be Wired to Count Calories, Make Healthy Choices

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 3 mins
    • Unabridged
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    Fruit flies. brains may be wired to count calories.

    Regular price: $1.95

    • Genes May Influence Placebo Effect

    • By: Ashley Yeager 
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
    • Overall
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    People who get a feel-good boost from sham medical treatments may have their genes to thank.

    Regular price: $1.95

    • Tiny Particles Propel Themselves Upstream

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
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    Environment-sensing microbeads may one day deliver medicines.

    Regular price: $1.95

    • Rats Can Navigate Mazes Even When Blind

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
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    With a compass-microchip prosthetic wired into their brains, blind rats can learn to navigate complex mazes to find food.

    Regular price: $1.95

    • Imaging Monkey's Brains After Stroke-Like Injuries

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 1 min
    • Unabridged
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    Imaging monkeys’ brains after strokelike injury is giving scientists clues to how neurons reorganize themselves so the animals can move again.

    Regular price: $1.95

    • Brain's Protective Barrier Gets Leaky with Age

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 5 mins
    • Unabridged
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    Time can wear down the sturdiest walls, even the one that protects the brain from bad stuff in the blood. This blood-brain barrier breaks down with age, possibly playing an important role in Alzheimer’s disease, a new study suggests.

    Regular price: $1.95

    • Mine Crystals Harbor Bizarre Microbes

    • By: Ashley Yeager
    • Narrated by: Jamie Renell
    • Length: 3 mins
    • Unabridged
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    Extremophiles hint at possible resilience of life beyond Earth.

    Regular price: $1.95

    • Ultrasound Attacks Alzheimer's Plaques

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
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    Using high-frequency sound waves to rev up tiny air bubbles in the brain appears to treat symptoms of Alzheimer’s disease in mice. The findings suggest that a similar technique could one day be used to treat the disease in humans.

    Regular price: $1.95

    • This Dinosaur's Ride May Have Been a Glide

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 2 mins
    • Unabridged
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    Newly discovered species may have taken to the skies with wings akin to those of pterosaurs and flying squirrels.

    Regular price: $1.95

    • Fewer Big Rogue Planets Roam the Galaxy, Recount Shows

    • By: Ashley Yeager
    • Narrated by: Jamie Renell
    • Length: 4 mins
    • Unabridged
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    New estimate of wandering Jupiter-mass worlds better matches ideas of how planets become orphans.

    Regular price: $1.95

    • Mars Has Nighttime Snow Storms

    • By: Ashley Yeager
    • Narrated by: Jamie Renell
    • Length: 3 mins
    • Unabridged
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    Cloud cooling and speedy winds lead to rapid winter-like storms, simulations show.

    Regular price: $1.95

    • Octopuses Move with Uncoordinated Arms

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
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    Motion command system for eight limbs could be model for robots.

    Regular price: $1.95

    • Newly Identified Brain Circuit Hints at How Fear Memories Are Made

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 5 mins
    • Unabridged
    • Overall
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    Scientists have identified a previously unknown set of brain connections that play an important role in how fear memories are stored and recalled. The discovery may lead to a better understanding of post-traumatic stress disorder and other anxiety problems.

    Regular price: $1.95

    • Too Much Light Slows Brown Fat, Suggesting Link with Obesity

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 1 min
    • Unabridged
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    Brown fat is supposed to be the friendly kind of fat. But making the days longer with artificial light may turn brown fat into an enemy in the battle against obesity, a mouse study suggests.

    Regular price: $1.95

    • Half of the Milky Way Comes From Other Galaxies

    • By: Ashley Yeager
    • Narrated by: Jamie Renell
    • Length: 4 mins
    • Unabridged
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    Simulations suggest that galactic winds blew the material in from elsewhere.

    Regular price: $1.95

    • Immune System May Remember and Adapt to Stress

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 6 mins
    • Unabridged
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    Stress may act a bit like a vaccine, spurring the immune system to build up resilience to it.

    Regular price: $1.95

    • When It's Hot, Plants Become a Surprisingly Large Source of Air Pollution

    • By: Ashley Yeager
    • Narrated by: Mike DelGaudio
    • Length: 2 mins
    • Unabridged
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    Planting trees is often touted as a strategy to make cities greener, cleaner and healthier. But during heat waves, city trees actually boost air pollution levels. When temperatures rise, as much as 60 percent of ground-level ozone is created with the help of chemicals emitted by urban shrubbery, researchers report May 17 in Environmental Science & Technology.

    Regular price: $1.95

    • Maestros of Learning and Memory

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 13 mins
    • Unabridged
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    Brain cells called glia may be center stage when it comes to how humans learn and remember.

    Regular price: $1.95

    • Newly Identified Brain Circuit Could Be a Target for Controlling Obesity

    • By: Ashley Yeager
    • Narrated by: Mark Moran
    • Length: 4 mins
    • Unabridged
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    Manipulating specific sets of brain cells can quash a mouse’s overindulgence of sugar.

    Regular price: $1.95

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