Food Delivery Apps Are Drowning China in Plastic

BEIJING — In all likelihood, the enduring physical legacy of China’s internet boom will not be the glass-and-steel office complexes or the fancy apartments for tech elites. It will be the plastic. The astronomical growth of food delivery apps in China is flooding the country with takeout containers, utensils and bags. And the country’s patchy…

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Frances Arnold Turns Microbes Into Living Factories

PASADENA, Calif. — The engineer’s mantra, said Frances Arnold, a professor of chemical engineering at the California Institute of Technology, is: “Keep it simple, stupid.” But Dr. Arnold, who last year became just the fifth woman in history to win the Nobel Prize in Chemistry, is the opposite of stupid, and her stories sometimes turn…

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Half of H.I.V. Patients Are Women. Most Research Subjects Are Men.

Inspired by reports of a second patient apparently freed of infection with H.I.V., the virus that causes AIDS, scientists are pursuing dozens of ways to cure the disease. But now, researchers must reckon with a longstanding obstacle: the lack of women in clinical trials of potential H.I.V. treatments, cures and vaccines. Women make up just…

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Bariatric surgery can be safe and effective for adolescents

IMAGE: Ahmed Khattab, a physician at Rutgers Robert Wood Johnson Medical School’s Division of Pediatric Endocrinology, led the study that found bariatric surgery can be used for adolescent patients who meet… view more  Pediatricians are often reluctant to recommend bariatric surgery for teen-agers, but a Rutgers-led study concludes it is a justifiable treatment for adolescents with…

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Study reveals structure of a ‘master switch’ controlling cell division

Unregulated cell division is a hallmark of cancer, and one of the key proteins involved in controlling cell division is called FoxM1. Abnormal activation of FoxM1 is a common feature of cancer cells and is correlated with poor prognosis, metastasis, and resistance to chemotherapy. Now researchers at UC Santa Cruz have determined the structure of…

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Fewer than 60% of young women diagnosed with STIs in emergency departments fill scripts

IMAGE: This is Monika K. Goyal, M.D., MSCE, assistant chief of Children’s Division of Emergency Medicine and Trauma Services and the study’s senior author. view more  Credit: Children’s National WASHINGTON — Fewer than 60% of young women diagnosed with sexually transmitted infections (STIs) in the emergency department fill prescriptions for antimicrobial therapy to treat these conditions,…

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Synthetic version of CBD treats seizures in rats

IMAGE: CBD from extracts of cannabis or hemp plants could be used to treat epilepsy and other conditions. UC Davis chemists have come up with a way to make a synthetic… view more  A synthetic, non-intoxicating analogue of cannabidiol (CBD) is effective in treating seizures in rats, according to research by chemists at the University of…

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New genetic engineering strategy makes human-made DNA invisible

IMAGE: This new genetic engineering tool opens up the possibilities for research on bacteria that haven’t been well studied before. view more  Credit: Image courtesy of Peter Hoey. Bacteria are everywhere. They live in the soil and water, on our skin and in our bodies. Some are pathogenic, meaning they cause disease or infection. To design…

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Fainting during pregnancy can be a sign of problems for both mother and baby

IMAGE: Cardiology researcher Padma Kaul said she wants to see fainting included with other pregnancy-induced conditions like pre-eclampsia and gestational diabetes as a warning sign for mothers’ cardiovascular health. view more  Credit: Padma Kaul Women have long been told fainting is a common but harmless symptom of pregnancy, but new research shows it may indicate issues…

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E-cigs and heated tobacco products are harmful and do not help smokers to quit

In a new statement published by the European Respiratory Society (ERS) Tobacco Control Committee [1], an international coalition of respiratory doctors and scientists have warned that tobacco harm reduction strategies which support the use of alternative nicotine delivery products for smoking cessation are not effective and are based upon incorrect assumptions and undocumented claims. They…

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