MS-LS1-8
Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.
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BrainAnxious about math? Your brain may tackle simple problems differently
A study found more variable brain activity in people who get nervous about math problems than those who do not.
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BrainScientists Say: Synapse
When brain cells need to pass messages, they do it without touching, across a space called a synapse.
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Health & MedicineSpeaking Mandarin may offer kids a musical edge
Scientists have linked a type of musical ability with the knowledge of Mandarin, the primary language of China.
By Dinsa Sachan -
BrainHeartbeat can affect racial perception of threat
Links between nerves in the heart and the brain shed light on why some police may be more likely to shoot an unarmed person who’s black than one who is white.
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AnimalsHow birds know what not to tweet
How do birds perfect their pitches? The chemical dopamine spikes when they sing right, and dips when they drop a note, new data show.
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BrainExplainer: What is dopamine?
Dopamine is a chemical messenger that carries signals between brain cells. It also gets blamed for addiction. And a shortage of it gets blamed for symptoms of diseases such as Parkinson’s.
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BrainExplainer: What is neurotransmission?
When brain cells need to pass messages to one another, they use chemicals called neurotransmitters. This sharing of chemical secrets is known as neurotransmission.
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Health & MedicineScientists Say: Tinnitus
Ever had ringing in your ears? Tinnitus is a condition in which you hear a persistent sound that isn’t there.
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AnimalsFood-like smell on plastic may lure seabirds to eat it
When plastic smells like supper, seabirds and other animals can be fooled into thinking it is food.
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AnimalsAnimals can do ‘almost math’
Humans aren’t the only animals with a number sense. Scientists are trying to figure out where and when it evolved.
By Susan Milius -
BrainTo reveal how the brain creates joy, start by tickling rats
Rats love a good tickle. Not only do they beg for more, but the action itself activates a part of the brain that detects touch, researchers find.
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BrainWhat makes a pretty face?
Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?