The EPA's decision on the Valley's ozone nonattainment issue could have big impacts on public health and the local economy. Here's what to know.

Learn more about why Larme Price fatally shot New York City shopkeepers John Freddy, Sukhjit “Sammy” Khajala, Albert Kotlyar, and Mohammed Abdo Nasser Ali.

Discover the history of flash paper, guncotton, and nitrocellulose. Learn how Christian Schonbein's accidental discovery led ...

Could supernovas have triggered ancient mass extinctions on Earth? New research explores how cosmic explosions may have ...

Re-entries of SpaceX Starlink satellites are causing environmental concerns by releasing aluminium oxide, which could harm the ozone layer. Scientists are worried about its lasting impact.

Your tax-deductible donation helps make it all possible. The forgotten story of the hole in the ozone layer - and how the world came together to fix it. The scientists and politicians who ...

Feb. 3, 2025 — Long-term exposure to PM2.5, PM10, NO2 and ozone (O3) air pollution is associated with more hospital admissions for lower respiratory tract ... Jan. 7, 2025 — If you like the ...

Amazon’s Big Spring Sale is in full swing until March 31st with tons of awesome deals to check out. Nerf is getting in on the action, offering solid discounts on a whole range of blasters.

There are five basic types of filters -- electrostatic, ionizer, ozone, UV and HEPA. HEPA air purifiers are the most effective and are made by a wide range of companies," said Dr. Greenberg.

The PSI is based on six pollutants, including PM10, PM2.5, sulphur dioxide, carbon monoxide, ozone and nitrogen dioxide. A PSI reading of 51 to 100 is in the moderate range. Under these ...

For the sake of brevity, we’ll mostly focus only on common and modern types of shotguns. A firearm’s action is the mechanism by which the gun loads shells into its breech. First, you need to know that ...