For more than a century, doctors thought urine was sterile. Now, microbiology breakthroughs are revolutionizing diagnosis and treatment of urinary tract infections.
Techniques for recovering genetic material from fossils and other prehistoric samples have led to insights about life millions of years ago, from microbes to mastodons.
In the absence of a federal investigation into what went wrong with the United States' pandemic response, an independent team of experts has collected insights from people on the ground and identified actions needed to prevent future crises.