Ophthalmology

What are eye floaters?

Spots, flashes of light or darkness on any side of your vision could be a sign of eye floaters. Most often noticeable when looking at a plain, bright background, such as a blue sky or a white wall, eye floaters are a symptom ...

Diseases, Conditions, Syndromes

Possible discovery of mechanism behind mysterious COVID-19 symptoms

In patients with serious and long-term COVID-19, disturbed blood coagulation has often been observed. Now, researchers at Linköping University (LiU), Sweden, have discovered that the body's immune system can affect the spike ...

Gastroenterology

A simple compound to control complex gut microbes

Researchers at the RIKEN Center for Integrative Medical Sciences (IMS) have discovered that acetate, a major metabolite produced by some intestinal bacteria, is involved in regulating other intestinal bacteria. Specifically, ...

Genetics

Researchers generate complete human X chromosome sequence

Researchers at the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health (NIH), have produced the first end-to-end DNA sequence of a human chromosome. The results, published today in ...