Human Nicotine Receptors Respond the Same to Acetylcholine & Nicotine From Tobacco

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Did you know that the human body has nicotine receptors called nicotinic acetylcholine receptors (nAChRs)? These receptors respond to the neurotransmitter acetylcholine (ACh), a chemical messenger that plays a crucial role in the nervous system. Likewise, the nAChRs also respond to nicotine found in tobacco. Interestingly, nicotine from tobacco fits into these receptors like a…Continue reading Human Nicotine Receptors Respond the Same to Acetylcholine & Nicotine From Tobacco

Researchers Create Sound that Bends Through Space to Reach Just One Person

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Thanks to rapid advances in technology, the world we live in is extensively changing before our eyes. Soon, thanks to researchers at Penn State, you may be able to enjoy your favorite podcast or music without headphones and without disrupting those nearby. Using what they call “audible enclaves,” acoustics professor Yun Jing and his team…Continue reading Researchers Create Sound that Bends Through Space to Reach Just One Person

We Are Stardust

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The crucial elements for life on Earth—often called the building blocks of life—are carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur, abbreviated as CHNOPS. Elements are matter that cannot be broken down into simpler substances. On the periodic table, each element is distinguished by its atomic number, which describes the number of protons in the nuclei—the…Continue reading We Are Stardust