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The probability that an obese person will develop severe COVID-19 is high regardless of age, sex, ethnicity, and the presence of co-morbidities such as diabetes, high blood pressure, and heart or lung disease, according to a study by Brazilian researchers published in Obesity Research & Clinical Practice. The systematic review and meta-analysis of relevant data in the scientific literature focus on nine clinical studies, which in aggregate reported the evolution of 6,577 COVID-19 patients [...]

Two new electric eel species have been identified in the Amazon basin, including one fish with a record-breaking shock, scientists say. Researchers had previously identified only one species of electric eel in more than 250 years of studying the creatures that lurk in South American waters and stun their prey with electric discharges. However, the new genetic and ecological analysis, published Tuesday in the peer-reviewed Nature Communications, identifies a total of three unique [...]

Passion fruit woodiness caused by cowpea aphid-borne mosaic virus (CABMV), the disease that most affects passion fruit (Passiflora edulis) grown in Brazil, can be combated with a relatively simple technique. A study shows that systematic eradication of plants with symptoms of the disease preserves the crop as a whole and keeps plants producing for at least 25 months. The technique currently used to combat CABMV entails renewing the entire orchard every year. This is, of course, a costly [...]

Newswise — Ann Mastergeorge and Elizabeth Trejos-Castillo appeared to be in a scene from a dystopian novel. They stood in a clean room on the upper floor of a new, government-built apartment building. From the window, it was a spare but pleasant space for somebody to make a temporary home. One glance ut the window, however, showed a different world: crack addicts, just finishing a hit, sprawled on the pavement, many half-dressed. The pavement was heated to the point of pain by the [...]

Promising results lead to optimism that a Zika vaccine will likely be feasible