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 ...

Legalization of the drug without much regulation has led to public health challenges. By Emily Bazelon David Leonhardt and German Lopez Produced by Jillian Weinberger More than a decade ago, The New ...

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 ...

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 ...

Researchers set up a makeshift bar on a college campus to test how much people wanted to drink after they smoked cannabis. By Dani Blum Countless college students have conducted the experiment: What ...

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 ...

Weeds pose a significant challenge in agriculture by competing with crops for essential resources, leading to reduced yields. To address this issue, researchers have increasingly adopted advanced ...

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 ...