Google Honors Danish Biochemist Responsible for the pH Scale – SPL Sørensen

Google Doodle honors pH scale

Søren Peder Lauritz Sørensen or S.P.L.  Sørensen, was a Danish biochemist who is most known for his introduction of the pH scale in 1909 while studying the effect of ion Continue Reading

Toilet to Tap beer: How Oregon is Recycling Wastewater

In April, an Oregon wastewater treatment operator challenged local home brewers to create a delicious beer from four ingredients… Not so hard, right?