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Your morning coffee may be more than a half million years old
Publicado em 17 de abril de 2024
That coffee you slurped this morning? It’s 600,000 years old.
Using genes from coffee plants around the world, researchers built a family tree for the world’s most popular type of coffee, known to scientists as Coffea arabica and to coffee lovers simply as “arabica.”
The researchers, hoping to learn more about the plants to better protect them from pests and climate change, found that the species emerged around 600,000 years ago through natural crossbreeding of two [...]
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Too Many 'Bad' Carbs, Too Much Meat: Diet Choices Are Driving Rise in Type 2 Diabetes
Publicado em 18 abril 2023TUESDAY, April 18, 2023 (HealthDay News) -- Most cases of type 2 diabetes can be linked to making poor food choices, a new study finds. Researchers from Tufts University in Boston linked poor diet to 14 million cases of type 2 diabetes — about 70% of new diagnoses globally — in 2018. The biggest impact came from insufficient intake of whole grains, too much refined rice and wheat, and overconsumption of processed meat. America's 25 Healthiest Communities A colorful [...]ver notícia -
Meet the dinosaur that had a record-breaking neck longer than a school bus
Publicado emBy Katie Hunt, CNN A plant-eating sauropod that lumbered around what’s now China some 162 million years ago had a neck that was about 10 feet longer than a typical school bus — and the longest of any known dinosaur. The creature’s 49.5-foot-long (15.1-meter) neck would have allowed it to stand in one spot and hoover up the surrounding vegetation — maximizing the amount of food it consumed while conserving energy. The fossilized remains of the dinosaur, called [...]ver notícia -
Even Mild COVID Might Change Your Brain
Publicado em 21 fevereiro 2023People who are experiencing anxiety and depression months after a mild case of COVID-19 may have changes affecting the structure and function of their brains, Brazilian researchers report. “There is still much to learn about long COVID, which includes a wide range of health problems, including anxiety and depression, months after infection,” said Dr. Clarissa Yasuda of the University of Campinas in São Paulo. “Our findings are concerning, as even people with a [...]ver notícia -
This dwarf planet has a ring instead of a moon, and scientists don't know why
Publicado em 08 fevereiro 2023Recent telescope data revealed that a small planet in the far reaches of our solar system has a dense ring round it. And scientists are baffled as to why. The planet, Quaoar, is one of roughly 3,000 small planets that orbit the sun beyond Neptune, and at 690 miles (1,110-kilometers) wide, it’s about the seventh largest, with Pluto and Eris ranking as the biggest. Observations of Quaoar made between 2018 and 2021 revealed that the planet has a ring sitting farther away from it than [...]ver notícia -
Vitamin D May Help Maintain Muscle as You Age Cara Murez Dec 19, 2022 Dec 19, 2022 Updated 11 min ago
Publicado em 19 dezembro 2022MONDAY, Dec. 19, 2022 (HealthDay News) -- One way to maintain muscle strength with age: Get enough vitamin D. Researchers in Brazil and the United Kingdom found that older folks who were deficient in the vitamin increased their risk of losing muscle strength by 78%. "Vitamin D is known to participate in various functions. …," said study co-author Tiago da Silva Alexandre , a professor of gerontology at Federal University of São Carlos. Around The [...]ver notícia -
Newly identified electric eel is the most powerful ever found, say scientists
Publicado em 11 setembro 2019Prepare yourself for a shock of the record-breaking variety – scientists have identified two new electric eel species, and one of them can put out a zap that’s stronger than any other animal we know about. The supercharged species is Electrophorus voltai, and it can discharge 860 V of electricity in a single shock, some way ahead of the 650 V shock that electric eels are normally associated with. It’s definitely enough to cause a human-sized creature some serious [...]ver notícia