SAN FRANCISCO — As spring and summer vacations approach, the U.S. Department of Agriculture is urging travelers to not pack pork products when traveling due to ongoing worries about African ...

Soil extracellular enzyme activities in the surface (0-5 cm) and subsurface (5-20 cm) layers of alpine meadow (A-F) and swamp meadow (G-L) under different warming treatments.CK: control treatment ...

and dozens of other Chinese entities to its export restriction list on Tuesday. The Inspur units were listed for contributing to the development of supercomputers for the Chinese military ...

Get Instant Summarized Text (Gist) Enzymes have evolved to function at various temperatures, with thermophilic enzymes thriving in heat and psychrophilic enzymes in cold. Ancestral sequence ...

The evolution of low-temperature adapted enzymes Scientists uncover how enzymes evolved to function at low temperatures by reconstructing prehistoric proteins from extinct bacteria Date: March 25 ...

All experiments with glycyl radical enzymes or activator enzymes were performed in a VAC Atmospheres glovebox (<2 ppm of O 2), unless otherwise described. We activated PFL photochemically by mixing 25 ...