Mint scent inhibits the growth of weeds

Some plants are very successful in the competition for space, nutrients, and water. They inhibit the growth of their competitors by chemical signals that cause cells of the neighboring plant to die. Scientists of the Botanical ...

New class of enzymes could lead to bespoke diets, therapeutics

Everyone seems to have an opinion about which foods to eat or avoid, how to lose weight (and keep it off!), and which superfood to horde. But there's a better place to search for health secrets than in a tropical berry: the ...

Maya more warlike than previously thought

What was the role of warfare in Mayan civilization? New evidence from lake sediments around the abandoned city of Witzna indicates that extreme, total warfare was not just an aspect of the late Mayan period, leading to its ...

Training AI to win a dogfight

Artificial intelligence has defeated chess grandmasters, Go champions, professional poker players, and, now, world-class human experts in the online strategy games Dota 2 and StarCraft II. No AI currently exists, however, ...

Catalyst renders nerve agents harmless

A team of scientists including researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has studied a catalyst that decomposes nerve agents, eliminating their harmful and lethal effects. The research ...

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