Reference Terms
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Amino acid
In chemistry, an amino acid is a molecule that contains both amine and carboxyl functional groups.
Note: The above text is excerpted from the Wikipedia article "Amino acid", which has been released under the GNU Free Documentation License.
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Health & Medicine News
April 15, 2025
Apr. 8, 2025 — The intermittent fasting diet, which involves periods of severe calorie restriction, may be on the way out, as research is suggesting that rather than drastically reducing calories, people can achieve similar metabolic benefits by cutting back on ...
Apr. 9, 2025 — From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought unattainable: building a complete functional wiring diagram of a portion of the ...
Apr. 2, 2025 — Smaller than a grain of rice, new pacemaker is particularly suited to the small, fragile hearts of newborn babies with congenital heart defects. Tiny pacemaker is paired with a small, soft, flexible wearable patch that sits on the patient's chest. ...
Apr. 2, 2025 — A new analysis of a vaccination program in Wales found that the shingles vaccine appeared to lower new dementia diagnoses by 20% -- more than any other known ...
Latest Headlines
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Apr. 15, 2025 — Bacteria naturally present in the human intestine (known as the gut microbiota) can transform cholesterol-derived bile acids into powerful metabolites that strengthen anti-cancer immunity by blocking ...
Apr. 14, 2025 — Pediatric infectious diseases experts stress the importance of vaccination against measles, one of the most contagious viruses, which is once more spreading in the United ...
Apr. 14, 2025 — CT scans may account for 5% of all cancers annually, according to a new study that cautions against overusing and overdosing CTs. The danger is ...
Apr. 15, 2025 — Researchers discover that inflammation and aging contribute to non-viral liver cancer development: Green tea's role in reversing some of the pathway dysregulation that may contribute to the cancer ...
Apr. 15, 2025 — Researchers investigated the quantities of thousands of muscle proteins and found a possible new explanation for muscle memory. A study showed for the first time that muscles 'remember' training at ...
Apr. 15, 2025 — Scientists have developed a new type of handheld multi-purpose radiation detector that comprehensively detects all types of ionizing radiation. The ...
Apr. 15, 2025 — People with a certain heart valve abnormality are at increased risk of severe heart rhythm disorders, even after successful valve surgery. The condition is more common in women and younger patients ...
Apr. 15, 2025 — A study demonstrates the role of the Galectin-1 protein in the nucleus of the cells surrounding the tumor -- fibroblasts -- contributing to their activation. Activated fibroblasts promote tumor ...
Apr. 15, 2025 — Growing cells in the laboratory is an art that humans have mastered decades ago. Recreating entire three-dimensional tissues is much more challenging. Researchers are developing a new hydrogel-based ...
Apr. 15, 2025 — Researchers have developed a machine learning workflow to optimize the output force of photo-actuated organic crystals. Using LASSO regression to ...