The acid growth theory states that the auxin-induced acidification of plant cell walls causes their expansion. A model now suggests that excessive acidification leads to growth inhibition ...

LOS ANGELES — The first of two “pineapple express” storms arrived in Southern California early Wednesday after delivering a stronger-than-expected pounding to the San Francisco Bay Area ...

The first of two “pineapple express” storms has arrived in Southern California after delivering a stronger-than-expected pounding to the San Francisco Bay Area, breaking rainfall records.

You wouldn’t be wrong to say there’s not much difference between the various THCs (if you’re new to cannabis, yes, there’s more than one) — but you wouldn’t be correct, either. There’s plenty that ...

Did you know there’s more than one kind of THC? Delta-8 is the “new kid on the block” in the world of cannabis products and delivers slightly different effects than delta-9 THC. We’re here to help ...

This story was updated to correct spelling in headline. An atmospheric phenomenon called a Pineapple Express is expected to bring heavy rains and snowfall to California and the Northwest this week.

Call it an atmospheric river, a Pineapple Express or just weather, but some parts of California and the U.S. Northwest are being slammed by up to foot of rain before the storm runs out of moisture ...