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Joe Biden has more top advisers who are women than any other U.S. president. They include Vice President Kamala Harris and Treasury Secretary Janet Yellen. Saul Loeb/AFP via Getty Images

Biden’s Cabinet of many women shows other world leaders that US takes gender equality seriously

Research shows that when one country – particularly a powerful one – puts more women in power, other nations tend to follow suit.
Lent is a period of fasting and reflection for many Chistians. Pascal Deloche/Godong/Universal Images Group via Getty Images

What are the origins of Lent?

The 40-day Lenten season, when many Christians observe fasting, began in mid-February. A scholar explains how the practice may have emerged around the fifth century.
One study found that 95% of baby foods tested contained at least one heavy metal. Plume Creative via Getty Images

How safe is your baby food?

Baby foods with rice or root vegetables, like carrots and sweet potatoes, had some of the highest levels, but they weren’t the only ones.
A leap and a plunge into the snow could earn this arctic fox its supper. Jupiterimages/PHOTOS.com via Getty Images

How do arctic foxes hunt in the snow?

Arctic foxes have a few special talents that help them sneak up on unseen prey and pounce.
Through the Paris Agreement, the world’s countries agreed to work to keep global warming well under 2 degrees Celsius. Saeed Khan/AFP via Getty Images

Why the US rejoining the Paris climate accord matters at home and abroad — 5 scholars explain

The US is formally back in the Paris climate agreement as of today. As one of the world's largest greenhouse gas emitters, it has a lot of work to do, with food security, health and safety at stake.

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