The pH scale, invented by Soren Peter Lauritz Sorensen, "has become so much a part of scientific literature and its influence so important a factor in considering biological problems that one wonders how theories of acidity and alkalinity were ever...

1868-1939 Danish biochemist best known for introducing the pH (potential of hydrogen) scale for measuring the acidity or alkalinity of solutions (1909). Sørensen did extensive work on enzymes and proteins. His laboratory successfully crystallized...

Søren Peder Lauritz Sørensen (January 9, 1868 - February 12, 1939). Born in Havrebjerg, Denmark, Sørensen was a Danish chemist, famous for the introduction of the concept of pH, a scale for measuring acidity. From 1901 to 1938 he was head of the...

Partners in Active Learning Support, known as PALS, has been a part of the Maple Valley FFA Chapter in Mapleton, Iowa, for seven years now. The first program in the state to implement PALS, the Maple Valley-Anthon-Oto FFA (MVAO) Chapter noticed an increase...

The advent of the millennium has brought about significant changes in Jewish and Arab domestic policy. The cities of Bethlehem, Jerusalem and Nazareth are benefiting from increased funds for civic improvements such as new roads and sewage and water supply systems. These modernizations are...