The first American nuclear reactor built from scratch in decades has started operations.
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Keep the Mask: Vaccine Won't End Coronavirus Crisis Right Away
Despite the expected arrival of COVID-19 vaccines in just a few weeks, it could take several months — probably well into 2021 — before things get back to something close to normal in the United States.

American Airlines Starts New Coronavirus Test Program on Select London-Bound Flights
American Airlines is expanding its COVID-19 pilot pre-flight testing program to London in an effort to get more international flyers in the sky.

Coronavirus Today: Vaccine Shows Promise, Death Toll Soars
AstraZeneca reported that its vaccine is 90% effective and cheaper to distribute than vaccines from its competitors. Meanwhile, the U.S. is averaging 1,500 deaths per day according to Johns Hopkins.

Third Major COVID-19 Vaccine Shown to Be Effective and Cheaper
Pharmaceutical company AstraZeneca said Monday that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to distribute than some of its rivals.

Pfizer, BioNTech Seek Emergency Use of COVID-19 Shots in U.S.
Pfizer said Friday it is asking U.S. regulators to allow emergency use of its COVID-19 vaccine, starting the clock on a process that could bring limited first shots as early as next month and eventually an end to the pandemic -- but not until after a long, hard winter.

Europe, U.S. 'Climate Guardian' Satellite to Monitor Oceans
A satellite jointly developed by Europe and the United States being launched this weekend will greatly help scientists keep track of the rise in global sea levels, one of the most daunting effects of climate change, a senior official at the European Space Agency said Friday.

Why the COVID-19 Vaccines Must Be Kept So Cold
The use of mRNA technology in COVID-19 vaccines is groundbreaking for a number of reasons. However, there is a drawback to the vaccines: they have to be stored in brutally cold temperatures.

U.S. Adult Smoking Rate Looks Unchanged, Vaping Rate Higher
The U.S. decline in cigarette smoking could be stalling while the adult vaping rate appears to be rising, according to a government report released Thursday.

World's Last Known White Giraffe Gets GPS Tracking Device
The only known white giraffe in the world has been fitted with a GPS tracking device to help protect it from poachers as it grazes in Kenya.
