Sharks use ESP

As the water warms in summer, beachgoers flock to the ocean and thoughts of “jaws” inevitably surface. A shark’s ability to home in on the scent of blood is legendary, but many people are surprised to learn that sharks have a stealthy sixth sense to find prey and explore the world around them. Sharks have the ability to sense an electric aura that surrounds all creatures in seawater–including people. Continue reading

Posted in Animal Research, by Douglas Fields, Neuroanatomy, Senses and Perception, Sensing, Thinking & Behaving, Stress and Anxiety
Posted by Douglas Fields        Comment

Why do nervous systems use slow voltage changes rather than fast electric currents along wires?

Richard Dawkins used his Twitter account to ask some unanswered questions about biology that he finds fascinating, inviting others to share ideas about hypothetical life forms that may or may not have evolved. By nature, these questions can only be addressed using some degree of speculation, but I find this one particularly interesting and I will attempt to answer it. He asks: Continue reading

Posted in Authors, Brain Basics, by Jean-Francois Gariepy, Cell Communication, Chemicals, Evolution, Neural Network Function, Neuroanatomy, Uncategorized
Posted by Jean-François Gariépy        Comment

The rhythm of lobster season

Today is the second and last day of “mini-season” here in South Florida. That is, the last Wednesday and Thursday of July where Florida lobsters are available for the taking by non-commercial lobster hunters. I grew up in New England and I love me some huge (i.e. 2-3 lb) Maine lobsters, but since establishing some roots down here in sunny Florida, I’ve grown to like the smaller, but still sweet tasting cockroaches of the sea. Continue reading

Posted in About Neuroscience, Animal Research, by Leanne Boucher, Cell Communication, Chemicals, Diet and Exercise, Diseases & Disorders, Movement, Neural Network Function, Neuroanatomy, Technologies
Posted by Leanne Boucher        Comment

NEURO.tv Episode 10 – Parkinson’s disease and the basal ganglia.

What are the brain changes that cause Parkinson’s disease? In this special episode, Steven Miller traveled to Japan to discuss the current research on this subject with Professor Gordon Arbuthnott from the Okinawa Institute of Science and Technology. Continue reading

Posted in Authors, Brain Basics, Brain Development, by Jean-Francois Gariepy, by Steven Miller, Degenerative Disorders, Diseases & Disorders, Movement, Neural Network Function, Neuroanatomy, Sensing, Thinking & Behaving
Posted by Jean-François Gariépy        1 Comment
Everything is Awesome!

Where Do Brains Come From? Part II: Everything is Awesome!

Stories about evolution are compelling because they fit with our very human need for a linear narrative, but evolution possesses distinctive non-linearities driven by its agent, natural selection. Continue reading

Posted in About Neuroscience, Brain Basics, by Dwayne Godwin, Evolution, Genetics, Neuroanatomy, Policymakers, Sensing, Thinking & Behaving
Posted by Dwayne Godwin        Comment