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What is the Endocannabinoid System?
THC, the psychoactive component of cannabis, binds to receptors in and outside of the brain, causing cells to behave differently. Cannabinoid receptors, named after cannabis, are found in nearly every organ of the human body.
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Is our universe unique, or could it be just one in an endless "multiverse"?
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We are on the verge of answering one of the greatest questions in history: Are we alone?
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The story of how African-American Percy Julian defied the odds to become a famous chemist.
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What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?