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Scientists have uncovered how cannabis evolved the ability to make its most famous compounds--THC, CBD, and CBC--by recreating ancient enzymes that existed millions of years ago. These early enzymes were multitaskers, capable of producing several ...

Tryptophan does far more than help us sleep--it fuels brain chemistry, energy production, and mood-regulating neurotransmitters. But as the brain ages or develops neurological disease, this delicate system goes awry, pushing tryptophan toward harmful ...

New research shows tropical forests can recover twice as fast after deforestation when their soils contain enough nitrogen. Scientists followed forest regrowth across Central America for decades and found that nitrogen plays a decisive role in how .. ...

A new OLED design can stretch dramatically while staying bright, solving a problem that has long limited flexible displays. The breakthrough comes from pairing a highly efficient light-emitting material with tough, transparent MXene-based electrodes. ...

New research suggests statins may protect adults with type 2 diabetes regardless of how low their predicted heart risk appears. In a large UK study, statin use was linked to fewer deaths and major cardiac events across all risk levels. Even those ...

Physicists have long relied on the idea that electrons behave like tiny particles zipping through materials, even though quantum physics says their exact position is fundamentally uncertain. Now, researchers at TU Wien have discovered something ...

Spikes in blood sugar after eating may be more dangerous for the brain than previously thought. In a massive genetic study, people with higher post-meal blood sugar had a much greater risk of Alzheimer's disease. The effect couldn't be explained by . ...

"BPA-free" food packaging may be hiding new risks. A McGill University study found that several BPA substitutes used in grocery price labels can seep into food and interfere with vital processes in human ovarian cells. Some triggered unusual fat ...

In the rapidly disappearing Atlantic Forest, mosquitoes are adapting to a human-dominated landscape. Scientists found that many species now prefer feeding on people rather than the forest's diverse wildlife. This behavior dramatically raises the risk ...

Pancreatic cancer uses a sugar-coated disguise to evade the immune system, helping explain why it's so hard to treat. Northwestern scientists discovered this hidden mechanism and created an antibody that strips away the tumor's protective signal. In ...