Can cannabis actually treat insomnia? It’s complicated, says sleep physiologist Jen Walsh. While the plant has been used across time and cultures, there’s been little scientific...
Many gardeners work hard to maintain clean, tidy environments … which is the exact opposite of what wildlife wants, says ecological horticulturist Rebecca McMackin. She shows...
Could the next wonder drug be somewhere in Canada’s snowy north? Take a trip to this beautiful, frigid landscape as chemist Normand Voyer explores the mysterious...
Crop physiologist Guntur V. Subbarao and his team have developed an antibiotic-infused strain of wheat that naturally combats harmful, fertilizer-eating bacteria — a “monster” contributor to...
Plant expert Dwight Whitaker guides us through an assortment of exploding plant species known as “touch-me-nots”, with expert commentary on the evolution of plants and their...
As NASA ramps up the Artemis program, growing plants using water and soil from the moon could become a necessity during longer duration stays there. When...
Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there...
Botanist Joey Santore answers the internet’s burning questions about plants! What’s the weirdest plant in existence? Why do the leaves change colors in the fall? Can...
Green City Solutions has harnessed the power of moss to purify and cool air in cities. Subscribe to CNET: Like us on Facebook: Follow us on...
Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Botanical artist Nirupa Rao captures the spirit and beauty of...