Domains and websites for sale and investment, www news and ads, free seo tools, ...

We have special offer for you!

All too often what looks like haze is actually tiny particles in the air that are so small you can breathe them in, and they can be dangerous. Now a group of citizen scientists with help from the National Science Foundation is creating a network of sensors that could warn people when the air they breathe turns bad. VOA’s Kevin Enochs reports.

I am


leave a reply