— "In every bioregion, there is always a core area where most species live," lead author Dr. RubĂ©n Bernardo-Madrid of Umeå University explained in a release. "From that core, species expand into surrounding areas, but only a subset manages to persist. It seems these cores provide optimal conditions for species survival and diversification, acting as a source from which biodiversity radiates outward." Researchers analyzed the global distribution of amphibians, birds, mammals, reptiles, dragonflies, trees, and rays, drawing from extensive ecological databases and mapping more than 48,000 geographic grid cells. The scientists identified seven distinct types of areas — or "biogeographical sectors" — that recur across the globe. Biodiversity hotspots (core areas) tend to have stable, resource-rich conditions that support a wide variety of endemic species. In contrast, species found in transitional zones are typically generalists or migrants, able to survive in more variable or marginal conditions but less unique to any region.
— Glaciers in the US and Canada are the most affected, as 75 percent are already predicted to melt. The Hindu Kush and Karakoram ranges, meanwhile, have more stable futures. Vice: The study separated itself from others as it looked ahead past 2100, the previous stopping point of past research.
— The study's findings may read as devastating at first glance, but that's the opposite of what the researchers intended. Lilian Schuster, who co-led the study, told CNN that she and her peers wanted *to give a message of hope" through their work. "With the study, we want to show that with every tenth of a degree less of global warming, we can preserve glacier ice," she said, with fellow co-lead Harry Zekollari adding, "We're not activists, this is science talking."
— As The Guardian reports, scientists at the Peter Doherty Institute for Infection and Immunity in Melbourne found a way to make the HIV virus visible, potentially laying the groundwork for ways to banish it from the body altogether. Author and Doherty Institute research fellow Paula Cevaal told the Guardian that it was "previously thought impossible" to deliver messenger RNA (mRNA) into HIV-containing white blood cells. But thanks to a new type of LNPs (bubbles of formulated fat called lipid nanoparticles), dubbed LNP X, the team found a way for these cells to accept the mRNA.
— It comes just a week after health secretary and anti-vaccine advocate Robert F. Kennedy Jr. unilaterally revoked and altered some of the CDC's recommendations for COVID-19 vaccines, restricting access to children and pregnant people. The resignation also comes three weeks before CDC's experts and advisors are scheduled to meet to publicly evaluate data and discuss the recommendations for this season, a long-established process that was disrupted by Kennedy's announcement.
— If current climate policies remain unchanged, global temperatures are expected to rise by 2.7 degrees Celsius by 2100, resulting in the loss of approximately 76 percent of today's glacier volume and causing sea levels to increase by a minimum of 113 millimetres.
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