Brain
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AnimalsMost species of beetles pee differently than other insects
Scientists uncover their unique system for balancing ions and water. The findings may hint at why beetles are the most diverse animals on Earth.
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Health & MedicineScientists Say: Nicotine
Nicotine is an addictive substance found in tobacco plants. It's what makes it so difficult to quit smoking or vaping.
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BrainLet’s learn about touch
Most senses are concentrated around your head. But touch all over your body, and you need every inch.
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BrainPatterns in brain activity can identify who will struggle to read
Certain patterns of brain activity predict whether teens are strong readers or will struggle. Those diagnostic patterns show up even when doing math.
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BrainExplainer: What is a neuron?
From the moment you are born, cells called neurons sense information, process it and then pass it on. Neurons allow you to do everything that you do.
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BrainSearch for ‘rewards’ is big driver in remodeling a teen’s brain
Communication ‘highways’ in the brain undergo a major overhaul as children morph into adults. Dopamine plays a big role in this remodeling project.
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Health & MedicineLet’s learn about exercise
Our bodies — from our muscles to our brains — love a good workout. Scientists are always learning new things about exercise.
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PlantsScientists may have finally found how catnip repels insects
The plant deters mosquitoes and fruit flies by triggering a chemical receptor that, in some animals, senses pain and itch.
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BrainScientists Say: Neuron
Neurons are the foundational cells in the nervous system. They pass along and process information using electrical signals.
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BrainTeen depression linked to how the brain processes rewards
Depression in teens alters their brains’ pathways in ways that may put those kids at risk of lifelong mental-health problems — unless they get help.
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BrainStudy is first to link brainwaves to certain forms of thought
Electrical activity in the brain reveals when we are focused or allowing our minds to wander freely.
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BrainActive bodies build stronger brains
Aerobic fitness and physical activity correlate with widespread brain health in adolescents, according to a new imaging study in England.