The Hg LaserWeeder in action during a product launch in Wuhan, China. According to Huagong Technology, the robot identifies and destroys weeds within 5 milliseconds. Photo: Xinhua Robotic weed ...

Smart sprayers powered by artificial intelligence could help Midwest corn and soybean growers cut foliar herbicide use — and trim input bills — without sacrificing weed control, according to new ...

Recreational marijuana is illegal in Florida, but medical marijuana is legal for residents with qualifying conditions. A 2024 amendment to legalize recreational marijuana failed to get the required 60 ...

Teens don't have to use weed all that often for it to have a negative effect on their lives, according to a new study. Even using marijuana once or twice a month is linked with worse school ...

Marijuana’s classification as one of the most dangerous and habit-forming substances has long drawn criticism. By Luke Broadwater and Ashley Southall Luke Broadwater reported from Washington, and ...

A urine test can detect THC for up to 30 days after use. THC is detectable in blood for the shortest time, up to 12 hours, but can stay longer in heavy users. Hair tests show THC use for the longest ...

The global agricultural sector stands on the brink of a technological transformation as AI and computer vision start reshaping how farmers manage weeds, one of the oldest and costliest challenges in ...

Cannabis is getting stronger, research has shown — and so are its health risks. Two new studies raise red flags about how marijuana use may increase paranoia and mental health struggles, especially ...

THC detection times vary by test type, lasting up to 12 hours in blood, 24-48 hours in saliva, up to 30 days in urine (on the longer side with frequent use), and up to 90 days in hair. How long THC ...

Czech startup Skymaps recently announced the launch of Zoneye, an AI model that learns to identify local weed populations. Trained to recognize 37 common weed species, Zoneye pinpoints their exact ...