Pfizer Vaccine Appears Effective Against COVID-19 Variants
Syringes containing the Pfizer-BioNTech COVID-19 vaccine
The Tourism Industry in Cuba
Tourists walk downtown during a day trip to Havana
WHO Experts Head to China to Study Beginnings of Virus
Workers in protective suits in Wuhan, China
US to Require Arriving Passengers to Show Proof of COVID Test
Travelers walk through the nearly empty JetBlue terminal at Logan Airport in Boston
Restaurant Owner Fulfills a Rescue Mission
Pilot Eduard Seitan kneels in front of his plane with two rescue dogs
Understanding the Dead Sea Scrolls
A fragment from the Dead Sea Scrolls
Teachers Help Students Understand Violence at US Capitol
Student engaged with online learning
Researchers Think They Found New Kind of Whale
A possibly new kind of beaked whale swims underwater
To Keep Schools Open, Schools Ask College Students to Help
Grace Kern is working a substitute teacher
Japan Aims to Launch World’s First Wooden Satellite
An illustration of a wooden satellite model