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The list of SARS-CoV-2 variants – each with its own unique qualities that give it an edge – just keeps growing. Matt Anderson Photography/Moment via Getty Images

Alpha then delta and now omicron – 6 questions answered as COVID-19 cases once again surge across the globe

People are buzzing with questions about the omicron variant and whether it could help usher in herd immunity. A team of virologists deciphers the latest findings.
A new study found that the child tax credit advance payments immediately helped families who were suffering from food insufficiency. Spencer Platt/Getty Images News via Getty Images

The sunsetting of the child tax credit expansion could leave many families without enough food on the table

The 2021 child tax credit expansion helped lift millions of families with children out of hunger. After those payments ended in December 2021, those families may again face food insufficiency.
The majority of child care workers are women and people of color. Bill O'Leary/The Washington Post via Getty Images

About 1 in 3 child care workers are going hungry

Child care workers are at the center of the food insecurity crisis in America. In 2020, nearly one-third of them were food insecure.
Vice President Mike Pence reads the final electoral vote counts declaring Joe Biden the next U.S. president during a joint session of Congress at the U.S. Capitol on Jan. 7, 2021. Saul Loeb/AFP/Getty Images

The Electoral Count Act of 1887 is showing its age – here’s how to help Congress certify a presidential election with more certainty

Concerned about problems in counting Electoral College votes that determine the next president, lawmakers are considering changes to the Electoral Count Act. What is the act, and what’s wrong with it?
Groundwater is used for irrigation and drinking water, but those wells are rarely more than one kilometre deep. A huge volume of salty water exists as much as 10 kilometres below the Earth’s surface. (Shutterstock)

Groundwater — not ice sheets — is the largest source of water on land and most of it is ancient

Groundwater is the second-largest store of water on Earth. Governments and industry use groundwater reservoirs to store waste, but it may also have environmental functions that haven’t been revealed.

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