New study challenges previous ideas regarding Alzheimer’s disease

A new USC Leonard Davis School of Gerontology study challenges existing ideas of how buildup of a protein called amyloid beta (Aβ) in the brain is related to Alzheimer’s disease. While buildup of amyloid protein has been associated with Alzheimer’s-related neurodegeneration, little is known about how the protein relates to…

Hawaii’s Kilauea volcano is erupting once again | CNN

CNN  —  Weeks after Hawaii’s Mauna Loa erupted for the first time in decades, neighboring volcano Kilauea is showing activity again after a brief pause, according to officials. Kilauea – which had stopped erupting last month for the first time since September 2021 amid Mauna Loa’s own lava eruption and…

Study shows gardening may help reduce cancer risk, boost mental health

Get more exercise. Eat right. Make new friends. As we compile our lists of resolutions aimed at improving physical and mental health in 2023, new CU Boulder research suggests one addition could have a powerful impact: Gardening. Funded by the American Cancer Society, the first-ever, randomized, controlled trial of community…

Marine plankton tell the long story of ocean health, and maybe human too

Using samples from an almost century-old, ongoing survey of marine plankton, researchers at University of California San Diego School of Medicine suggest that rising levels of humanmade chemicals found in parts of the world’s oceans might be used to monitor the impact of human activity on ecosystem health, and may…

Lithium-sulfur batteries are one step closer to powering the future

With a new design, lithium-sulfur batteries could reach their full potential. Batteries are everywhere in daily life, from cell phones and smart watches to the increasing number of electric vehicles. Most of these devices use well-known batteries”>lithium-ion battery technology. And while lithium-ion batteries have come a long way since they…

Riddle solved: Why was Roman concrete so durable?

The ancient Romans were masters of engineering, constructing vast networks of roads, aqueducts, ports, and massive buildings, whose remains have survived for two millennia. Many of these structures were built with concrete: Rome’s famed Pantheon, which has the world’s largest unreinforced concrete dome and was dedicated in A.D. 128, is…

What is Orthodox Christmas, and why is it in the spotlight this year? | CNN

CNN  —  For much of the Western world, Christmas is celebrated on December 25, according to the Gregorian calendar. Yet in a distinction that dates back centuries, Orthodox Christians follow the Julian calendar and mark the festival on January 7 instead. Orthodox Christmas – and the long-standing rift between the…

Study details impact of prairie dog plague die-off on other species

This study, conducted from 2015-19 in the Thunder Basin National Grassland, may be the first to specifically examine the multispecies impacts of a wide-scale plague outbreak, which reduced the area covered by prairie dog colonies from nearly 25,000 acres to only about 125 acres in the study area. The 2017…

Fathoming the hidden heatwaves that threaten coral reefs

In April to May 2019, the coral reefs near the French Polynesian island of Moorea in the central South Pacific Ocean suffered severe and prolonged thermal bleaching. The catastrophe occurred despite the absence of El Niño conditions that year, intriguing ocean scientists around the world. An international research team led…

Scars mended using transplanted hair follicles

In a new study involving three volunteers, skin scars began to behave more like uninjured skin after they were treated with hair follicle transplants. The scarred skin harboured new cells and blood vessels, remodelled collagen to restore healthy patterns, and even expressed genes found in healthy unscarred skin. The findings…

EES and ETIAS: The big changes for travel in Europe in 2023

There are two changes scheduled to come into effect this year which will affect travel in and out of the European Union for non-EU citizens such as Brits, Americans, Australians and Canadians. Here’s how EES and ETIAS will affect you. Source link

Live updates: Russia’s war in Ukraine

Russia Ambassador to the U.S. Anatoly Antonov speaks during a World Affairs event at the Fairmont Hotel on November 29, 2017 in San Francisco, California. (Justin Sullivan/Getty Images) Russia’s ambassador to the United States has criticized Washington for its reaction to Moscow’s proposal for a 36-hour unilateral ceasefire in Ukraine.…

Emma Raducanu leaves court injured and in tears ahead of Australian Open | CNN

Britain’s Emma Raducanu retired at 6-0 5-7 in her second-round match against Slovakian Viktoria Kuzmova at the WTA 250 Auckland Classic on Thursday after rolling her ankle, casting doubt on her participation at this month’s Australian Open. Former US Open champion Raducanu swept the first set in 22 minutes but…

Air India’s handling of unruly passengers criticized by regulator

Air India faced criticism on Thursday, January 5 from the country’s aviation regulator for its handling of an unruly passenger on a flight from New York in November, and also acknowledged that a second similar incident occurred last month on a flight from Paris to New Delhi. Air India had…