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TAMPA, United States (AFP) — When fishing, local laws often require anglers to throw back any fish that are too small. But a study Thursday found it is more important to toss back big ones, especially females. That’s because they produce far more eggs — and larger ones — than small fish, and do a disproportionate amount of work when it comes to perpetuating their species, said the report in the journal Science. “Our results […]
LONDON, United Kingdom (AFP) — Britain and the United States on Monday launched a research program billed “the most detailed and extensive examinations of a massive Antarctic glacier ever undertaken” to gauge how quickly it could collapse. Teams from Britain’s Natural Environment Research Council (NERC) and the US National Science Foundation (NSF) will visit the Thwaites Glacier in West Antarctica to assess if its cave-in could begin in the next few decades or centuries. […]
TAMPA, United States (AFP) — Americans waste nearly 150,000 tons of food per day, amounting to about one pound (422 grams) per person, and fruits and vegetables are mostly what gets tossed, said a study Wednesday. The amount of land used annually to grow food that ends up in the garbage in the United States is 30 million acres, or seven percent of total US cropland. Some 4.2 trillion gallons of irrigation water gets […]
TAMPA, United States (AFP) — In an effort to speed research toward a cure for the most common form of dementia, experts urged a new framework Tuesday to diagnose Alzheimer’s disease using biological clues, rather than symptoms of memory loss. Alzheimer’s affects some 44 million people around the world, but remains poorly understood, with no effective treatments despite billions of dollars spent on research. Clinical trials have stumbled, with recent research showing that up to […]
MIAMI, United States (AFP) — A study of 21 American diplomats who claimed they were victims of mysterious sonic attacks in Cuba shows they sustained brain injuries without any apparent head trauma, US researchers said Thursday. Researchers from the University of Pennsylvania’s Perelman School of Medicine examined 21 US government staff members who complained of symptoms resembling a concussion after serving in Havana in 2016 and 2017. “These individuals appeared to have sustained injury to widespread brain networks […]
by Kerry Sheridan © Agence France-Presse MIAMI, United States (AFP) — The risk of extreme weather such as heat waves, floods and drought will rise significantly even if the commitments in the 2015 Paris climate accord are met, a study warned on Wednesday. The report in the journal Science Advances analyzes the likelihood of hot spells, dry periods and excess rain in the coming years, all phenomena that are exacerbated by global warming and rising seas. Already, the dire […]
MIAMI, United States (AFP) — Sea level rise is accelerating and could reach 26 inches (66 centimeters) by century’s end, in line with United Nations estimates and enough to cause significant problems for coastal cities, a study said Monday. The past annual rate of sea level rise — about three millimeters (0.1 inches) per year — may more than triple to 10 millimeters per year by 2100, said the report in the Proceedings of the National Academy […]
MIAMI, United States (AFP) — Women who breastfeed their babies for six months or more may be able to cut their risk of developing diabetes in the future by nearly half, according to a study Tuesday. The findings from a three-decade US study of more than 1,200 white and African-American women were published in the Journal of the American Medical Association (JAMA) Internal Medicine. “We found a very strong association between breastfeeding duration and lower […]
by Kerry Sheridan Agence France Presse MIAMI, United States (AFP) — Women who undergo hysterectomy before age 35 may face significantly higher long-term heart risks, even if their ovaries are preserved, a study found Wednesday. The research by experts at Mayo Clinic focused on more than 2,000 US women who had their uterus removed but left their ovaries intact — widely considered the most desirable option if possible because it prevents a woman from entering […]
BEIJING, China (AFP) — New archaeological research has shed fresh light on China’s first emperor — creator of the world-famous terracotta army — and his quest for eternal life, state media reported. A set of wooden slips found in the central province of Hunan contain an executive order from Emperor Qin Shihuang for a nationwide search for the elixir of life, along with replies from local governments, according to Xinhua news agency on Sunday. It […]
MIAMI, United States (AFP) — Eating one serving of leafy greens per day may stave off memory loss in old age and keep the brain more youthful, according to research published Wednesday. The difference found between elderly people who ate greens and those who did not was stunning: the equivalent of being 11 years younger in age, said the study in the journal Neurology. While the research was based on survey responses and therefore […]
MIAMI, United States (AFP) — Scallops may look like simple creatures, but the seafood delicacy has 200 eyes that function remarkably like a telescope, using living mirrors to focus light, researchers said Thursday. Most creatures’ eyes have lenses that focus light. But scallops have concave mirrors at the back of their eyes. Scientists have known since the 1960s that Pecten scallops see by reflecting light off these concave mirrors onto the retina above, said the […]
