Persistently high Epstein-Barr virus antibody levels are common in MS patients. Serial EBV antibody testing can help differentiate MS from other diseases. This biomarker is crucial for accurate ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

The common view of natural selection is based solely on the individual: A trait allows an organism to out-compete its rivals and is thus passed down to its offspring. To suggest otherwise can provoke ...

If you feel like everyone you know is dealing with a cough, cold and runny nose, it’s not in your head. Multiple viruses, not just the flu, are currently circulating near season-high levels in the San ...

It’s a chilly winter morning at 95th Street School on Milwaukee’s northwest side. Children are filing into their classrooms, while a handful of adults gather in the public school’s library to prepare ...

In a slowing labor market, even people with jobs are increasingly making do with less-than-ideal arrangements. They’re stuck in part-time positions or patching together multiple jobs to make ends meet ...

Grains extended December’s steep declines into the new year, with traders focused on weather in South America, while fresh details on US farm aid provided little help to the markets. The US Department ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A number of experts have warned that Lake Mead is going to continue drying up unless something is done "now," in a series ...

STUTTGART, Germany — The Pentagon must develop a plan to fill munition stockpiles to levels needed for U.S. forces to fight multiple large-scale conflicts at once, according to a new defense spending ...