When scientists sequence tumor DNA, they typically find small amounts of genetic code from bacteria, viruses and fungi – microorganisms that, if actually present in tumor tissues, could influence how ...

Anemia, a condition marked by low levels of hemoglobin in the blood, affects nearly 2 billion people worldwide. Among them, school-age children in low- and middle-income countries are particularly ...

Inspired by the shape-shifting skin of octopuses, Penn State researchers developed a smart hydrogel that can change ...

Artificial-intelligence agents have their own social-media platform and are publishing AI-generated research papers on their ...

Public health recommendations suggest individuals can resume normal activities 5 days after symptom cessation. However, our study finds that full recovery can take longer, indicating that delayed ...