The PSG-1 is a marksman rifle in Delta Force that is exclusively accessible to the Recon class. It is not available by default and requires reaching account level 9 to access.
Engineering researchers have developed carbon capture systems that use molecules called quinones, dissolved in water, as their capturing compounds. A new study provides critical insights into the ...
A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly adaptable carnivores spotted in alleyways from Berkeley, Calif., to the Bronx, in New York.