CD8⁺ T cells are the body’s frontline defenders against viruses. When HIV takes hold, these cells become overworked and lose their power. Doctors give patients antiretroviral therapy (ART) to stop the virus from multiplying, but many immune problems linger. Scientists used a new technique tha
Cotton can grow in many places, but salty soil is a big problem. The plant first feels the salt as water pressure changes and then later deals with too many ions inside its cells. Cotton’s reaction is a teamwork of sensors on the cell wall, channels that let ions in or out, and calcium signals that
Cathie Wood, the chief of ARK Invest, shuffled her ETF holdings on June 5. She added more shares of Circle Internet Group and Coinbase Global, both key players in the cryptocurrency space, even as Bitcoin slid sharply that week. At the same time she trimmed her stake in Archer Aviation, an electric
Caitlin Clark looked tired after a recent bout of sickness that left her throwing up during a game. She said she felt fine, but the next match against the New York Liberty showed something else. In that game, she struggled to score and seemed out of sync with her usual play. She missed her first fi
Colon polyps are small growths that can turn into cancer if ignored. Not all places have the same rates of these growths. In Qinghai Province, China, the numbers might be different because of where it’s located and who lives there. This province sits high on the Qinghai-Tibet Plateau, where the air
China’s President Xi Jinping is heading to North Korea this week for talks with Kim Jong Un, marking his first visit in seven years. According to North Korea’s official newspaper, Xi plans to strengthen ties between the two countries and push back against what he calls "hegemony" and military threat
China rolled out a national price‑cut program for drugs in 2016 to make cancer treatments cheaper and easier to get. The plan has helped more people buy life‑saving medicines, but it is not working equally across the country. In a recent study researchers looked at how well patients in different
Caleb Downs joined the Dallas Cowboys with a number that fans already loved: 2. The team gave him 13 instead, and his mom isn’t thrilled. She told the player that she’d never seen a good athlete wear 13. Caleb replied that he would keep it because that’s what he chose. The Cowboys also own the
California health workers have spotted measles virus in everyday wastewater, a sign that the disease may be spreading unnoticed. The Merced County Department of Public Health made the discovery, even though no confirmed sick people have been reported in that area. The state now counts 74 cases spr
California grew fast in the mid-1900s, adding nearly 13 million people between 1940 and 1970. Most were Americans moving for jobs, along with a baby boom. Cities expanded quickly, building new schools, roads, and water systems to keep up. But growth slowed in the 1970s as the economy shifted from fa
