Neuroscience
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Neuroscience
Lampreys have ‘fight or flight’ cells, challenging ideas about nervous system evolution
The discovery of sympathetic nervous system cells in lampreys draws a closer tie between the animal and complex vertebrates — such as humans.
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Neuroscience
Rat cells grew in mice brains, and helped sniff out cookies
When implanted into mouse embryos, stem cells from rats grew into forebrains and structures that handle smells.
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Neuroscience
These windpipe cells trigger coughs to keep water out of the lungs
Neuroendocrine cells can sense substances on the way to the lungs and prompt reactions such as coughing and swallowing, experiments in mice show.
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Neuroscience
Tiny treadmills show how fruit flies walk
A method to force fruit flies to move shows the insects’ stepping behavior and holds clues to other animals’ brains and movement.
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Science & Society
In ‘Get the Picture,’ science helps explore the meaning of art
Journalist Bianca Bosker infiltrates the secretive art world to understand the science and psychology of why art matters to the human experience.
By Shi En Kim -
Neuroscience
Chickadees use memory ‘bar codes’ to find their hidden food stashes
Unique subsets of neurons in a chickadee’s memory center light up for each distinct cache, hinting at how episodic memories are encoded in the brain.
By Jake Buehler -
Neuroscience
Here’s how magnetic fields shape desert ants’ brains
Exposure to a tweaked magnetic field scrambled desert ants’ efforts to learn where home is — and affected neuron connections in a key part of the brain.
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Neuroscience
Dogs know words for their favorite toys
The brain activity of dogs that were expecting one toy but were shown another suggests canines create mental concepts of everyday objects.
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Neuroscience
Ancient viruses helped speedy nerves evolve
A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.
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Artificial Intelligence
How do babies learn words? An AI experiment may hold clues
Using relatively little data, audio and video taken from a baby’s perspective, an AI program learned the names of objects the baby encountered.
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Neuroscience
A new device let a man sense temperature with his prosthetic hand
A device that can be integrated into prosthetic hands capitalizes on phantom sensations to enable users to sense hot and cold.
By Simon Makin -
Health & Medicine
Under very rare conditions, Alzheimer’s disease may be transmitted
Alzheimer’s isn’t contagious. But contaminated growth hormone injections caused early-onset Alzheimer’s in some recipients, a new study suggests.