Health

Bleeding moles may or may not be serious

Although it may not be serious, a mole that bleeds is a possible sign of melanoma. Talk to a health care provider if you notice any changes in moles.

Uncovering the origins of the virus that sparked a pandemic

Unlocking the mysteries of the exact origins of SARS-CoV-2, the virus that causes Covid-19 and launched a global pandemic in March 2020, has become one of the most burning questions in the scientific community. But the effort, like so many other coronavirus-related issues, has become hotly contested, fraught with implications for international relations and, in the United States at least, laced with conspiracy theories and politically motivated posturing.