Airborne pollution particles spewed by car exhausts and other sources are now strongly linked to Alzheimer's. By Ellen Ruppel Shell

Keep American Science Great. Funding cuts haven't crippled research yet, but things are heading that way. By Naomi Oreskes

Why Do Human Beings Speak so Many Languages? There are at least 7,000 languages spoken around the globe. By Michael Gavin

Although viruses challenge our concept of what "living" means, they are vital members of the web of life. By Luis P. Villarreal

How the coronavirus travels through the air has become one of the most divisive debates in this pandemic. By Ed Yong.

How lack of computational power shaped World War naval battles. Situational awareness before GPS & computers. By Haomiao Huang

Humans domesticated horses. New technology could help archaeologists figure out where and when. By William Taylor.

Everything you need to know about the coronavirus. Stay alert and be prepared. By Nicole Wetsman.

In A first, Scientists Use a Revolutionary Gene-Editing Tool, CRISPR, To Edit Inside A Patient. By Shannon Hall.

Ancient mossy forests from millions of years ago created the planet's finite amount of fossil fuels. By Hope Jahren.