Precipitation comes in all forms: rain, sleet, freezing rain, and snow. Some even count virga, which becomes a gas and evaporates before it reaches us as raindrops. Hail also exists but forms ...

DEHYDROGENASES are of three types: (1) those which act through coenzymes I or II, (2) flavoproteins, and (3) the 'cytochrome-reducing dehydrogenases', a group of enzymes of unknown chemical nature ...

So, if you’re thinking about getting out this morning, be very cautious as a mixed precipitation started early this morning and will pick up intensity through the next couple of hours.

Metro Phoenix isn't known for experiencing traditional winter weather. But this season has been warmer and drier than usual; it's been more than four months since the last rain fell. You can thank ...

"Aggregates can grow to very large sizes compared to individual snow crystals." Precipitation remains snow as long as the air mass stays below freezing throughout the snowflake's journey from cloud to ...

In wetland soils and underwater sediments of marine, brackish and freshwater systems, the strong phytotoxin sulfide may accumulate as a result of microbial reduction of sulfate during anaerobiosis, ...