Headlines

Beyond chemistry: How mechanical forces shape brain wiring

During brain development, neurons extend long processes called axons. Axons link different areas of the brain and carry signals within it and to the rest of the body. Growing axons "wire up" the brain by following precise paths through the tissue. Their navigation depends on

What air pollution does to the human body

I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early 2000s. The city sits on the plain, skyscrapers rising and buildings extending far into the distance. Except, as we drove out of the mountains, I could

Read Trump's texts with European leaders over Greenland

President Trump has shared messages from European leaders over his mounting pressure campaign to take control of Greenland, as he heads to the Davos economic forum on Tuesday night. On Monday, reports emerged that Trump sent a message to Norway’s prime minister, Jonas Gahr

Tillis 'not going to go to impeachment' over Greenland

Sen. Thom Tillis (R-N.C.) on Tuesday said he would not back an impeachment effort against President Trump over the administration's push to acquire Greenland. “I'm not going to go to impeachment. Let's say it was a kinetic action — I'd immediately go for a War Powers