University of Louisville

Human blood can typically only be stored for six weeks. It also needs to be refrigerated, which may be challenging in poor countries or remote locations. A new study, though, could lead to a method of drying blood for long-term storage.

Scientists have created computer games that significantly improved depth perception and binocular vision in people with a lazy eye. Unlike the traditional patch used to treat the condition, the video games encourage both eyes to work together.

In 2011, paraplegic Rob Summers was able to temporarily regain limited use of his legs, thanks to an experimental technique known as epidural electrical stimulation of the spinal cord. Now, in a new study, Summers and three other paraplegic test subjects have shown even more promising results.