Ophthalmology

New insights into human tears could improve contacts lenses

When contact lenses work really well, you forget they are on your eyes. You might not feel the same at the end of a long day staring at a computer screen. After too many hours of wear, the lenses and your eyes dry out, causing ...

Neuroscience

How visual attention affects the brain

New work at the University of California, Davis, shows for the first time how visual attention affects activity in specific brain cells. The paper, published June 26 in the journal Nature, shows that attention increases the ...

Neuroscience

Imaging the network traffic in our brains

MRI brain scans no longer just show the various regions of brain activity; nowadays the networks in the brain can now be imaged with ever greater precision. This will make functional MRI (fMRI) increasingly powerful in the ...

Medical research

Mending the brain with a mechanical glove

Northeastern University student-researchers have created a post-stroke rehabilitation glove designed to increase hand strength through finger extension and improve cognitive ability to complete everyday tasks such as picking ...

Medical research

New compound may accelerate bone healing, prevent osteoporosis

An Indiana University scientist studying human bone growth has received a $2.6 million grant from the U.S. Department of Defense to study a chemical compound with potential to fight osteoporosis and accelerate broken bone ...

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