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Gregg in headset

Memories of Errors Foster Faster Learning
Using a deceptively simple set of experiments, researchers at Johns Hopkins have learned why people learn an identical or similar task faster the second, third and subsequent time around.
 
  

A two-photon microscopy image showing a calcium sensor (green), the nuclei of neurons (red) and supporting cells called astrocytes (magenta).

New Mapping Approach Lets Scientists Zoom In And Out As The Brain Processes Sound
Researchers at Johns Hopkins have mapped the sound-processing part of the mouse brain.
  
   

cell engulfs other cells

Molecular ‘Eat Now’ Signal Makes Cells Devour Dying Neighbors
A team of researchers has devised a Pac-Man-style power pellet that gets normally mild-mannered cells to gobble up their undesirable neighbors. The development may point the way to therapies that enlist patients’ own cells to better fend off infection and even cancer.
   

cockroach drawing

Potent Spider Toxin 'Electrocutes' German, Not American, Cockroaches
Using spider toxins to study the proteins that let nerve cells send out electrical signals, Johns Hopkins researchers say they have stumbled upon a biological tactic that may offer a new way to protect crops from insect plagues in a safe and environmentally responsible way.
    

cartoon of ion cartoon

Cellular Gates for Sodium and Calcium Controlled by Common Element of Ancient Origins
Researchers at Johns Hopkins have spotted a strong family trait in two distant relatives: The channels that permit entry of sodium and calcium ions into cells turn out to share similar means for regulating ion intake, they say.
  
 
  

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