Neuroscience

How the brain 'approximates' without actually counting

From the time of early infancy, humans are endowed with the capacity to approximate the number of objects in their visual field, an ability that continues throughout life and may underlie the development of more complex mathematical ...

Alzheimer's disease & dementia

Blood tests for Alzheimer's: Why new studies are encouraging

Many people who have problems with their memory, especially if they are elderly, worry that they have Alzheimer's disease, which afflicts at least 5.5 million people in the U.S. and brings tremendous burdens to families as ...

Neuroscience

Why two out of three babies are cradled on the left

Over two thirds of all people prefer to carry a baby in their left arm. The figure is as high as three quarters for women, and the same also applies to right-handed people. This is the result of an analysis of 40 studies ...

Medical research

Can magnetic stem cells improve cartilage repair?

Cells equipped with superparamagnetic iron oxide nanoparticles (SPIOs) can be directed to a specific location by an external magnetic field, which is beneficial for tissue repair. Researchers have now taken the important ...

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