The woman and her baby died after Wednesday's strike, one of dozens of recent attacks on Ukraine's health system. U.N. groups warn it is running "dangerously low" on oxygen and medical supplies.

Boosting ventilation and filtration not only lowers the risk of transmission, it's also linked to higher test scores and better health. But making upgrades is more complex than it sounds.

Payments on federal student loans have been paused for two years, and the Biden administration appears to be considering extending the pause beyond May.

Weather disasters displaced thousands of Americans in 2021. In one Tennessee town, a family decides whether to rebuild or leave for good after a deadly flood sparked by a catastrophic rainfall.