The microscopic organisms living in our intestines may influence the severity of Covid-19 and the body’s immune response to it, and could account for lingering symptoms, researchers reported.

Scientists succeeded in reviving microbes retrieved from sediment deep under the seafloor in the heart of the South Pacific that had survived in a dormant state for 101.5 million years in research illustrating the resiliency of life on Earth.

A Texas teenager who contracted a rare brain-eating disease after swimming in a lake about 70 miles (110 km) north of Houston has died, according to his family and local media. The 14-year-old Michael Riley Jr., a junior Olympian and honor student, seemed to have contracted the disease after he went swimming on Aug. 13 […]