From Jenna Orkin

Live Look Atop Mt. Washington, Which Just Set a Wind Chill Record of -109

Moscow is sending poorly trained recruits, including convicts, to the front lines in eastern Ukraine to pave the way for more seasoned fighters, U.S. and allied officials say.

Brazil sank a decommissioned aircraft carrier in the Atlantic Ocean off its northeast coast, the Brazilian Navy said, despite warnings from environmentalists that the rusting 1960s French-built ship would pollute the sea and the marine food chain.

Student Loan Payment Pause Benefits High-Income Households the Most

Change to classification of psilocybin and MDMA to enable prescribing by authorised psychiatrists

Using behavioural insights to decarbonise home energy, transport, food, and material consumption

‘Historic Arctic outbreak’ crushes records in New England

Water crises due to climate change: More severe than previously thought

Sending Help Instead of the Police in Albuquerque

After a week adrift, a surveillance balloon from China has been deflated. Here's what we know about the suspect device and its mission.