Neuroscience

'Number sense' arises from the recognition of visible objects

Humans and animals have a "number sense," an inborn ability to register the number of objects in a scene. The neural basis of this ability is believed to be what are called the number neurons, which respond to certain numbers ...

Diseases, Conditions, Syndromes

Exploring copper's potential as antibiotic

Pneumonia starts like this: A bacterial cell called Streptococcus pneumoniae enters the nostril. It travels down the nasal passage and into the lungs, where a war begins. In the lungs, S. pneumoniae encounters immune cells ...

Neuroscience

What is the best sense? Scientists are still battling it out

If there is one thing Twitter has taught us, it's that the world loves a question that sounds stupid, but actually has a profound and interesting answer. For instance, what would happen if the world suddenly turned into blueberries, ...

Gerontology & Geriatrics

For older adults, sense of control tied to feeling younger

A recent study finds that older adults feel younger when they feel that they have more control over their daily lives, regardless of stress or health concerns. However, stress and health—not a sense of control—play a ...

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