Samantha Raphelson

Updated at 4:43 p.m. ET

British Prime Minister Theresa May is facing new challenges to her leadership the day after protesters packed the streets of London to demand a second referendum on Britain's exit from the European Union.

It's a stinky time for the American cheese industry.

While Americans consumed nearly 37 pounds per capita in 2017, it was not enough to reduce the country's 1.4 billion-pound cheese surplus, according to the U.S. Department of Agriculture. The glut, which at 900,000 cubic yards is the largest in U.S. history, means that there is enough cheese sitting in cold storage to wrap around the U.S. Capitol.

Millions of American workers will see pay raises in the new year due to minimum-wage increases in 20 states and 21 cities.

The federal minimum wage has remained at $7.25 an hour since 2009, but in the years since, 29 states and the District of Columbia have established minimum wages above the federal level.

An American health care worker who was providing treatment to patients in the Democratic Republic of Congo is being monitored at a Nebraska health care facility after possible exposure to the deadly Ebola virus, hospital officials said.

The University of Nebraska Medical Center in Omaha confirmed Saturday that the unidentified person was being monitored in a secure facility not accessible to the public or other patients. The person is not sick nor showing any Ebola symptoms, but could be monitored for up to two weeks, officials said.

The Arctic has experienced the "most unprecedented transition in history" in terms of warming temperatures and melting ice, and those changes may be the cause of extreme weather around the globe, according to the National Oceanic and Atmospheric Administration's 2018 Arctic Report Card.

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