Category: Science

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Late on a Friday night in April 2020, Lexi Walls was alone in her laboratory at the University of Washington, waiting nervously for the results of the most important experiment of her life. Walls, a young structural biologist with expertise in coronaviruses, had spent the past three months working day and night to develop a…

More tree cover would lower disproportionately high levels of heat and pollution Credit: Getty Images Most U.S. cities have tree-planting programs, but not all urban tree canopies are created equal, according to a new analysis from American Forests. The conservation organization said today that the United States needs to plant more than a half-billion new…

Two vaccines made using messenger RNA (mRNA) have proved spectacularly successful at warding off COVID-19, but a third mRNA-based candidate has flopped in a final-stage trial, according to an initial report released this week. Researchers are now asking why — and some think that choices about the type of mRNA chemistry used might be to…

This revolutionary gene-editing system has taken science by storm.CRISPR is the basis of a revolutionary gene editing system. One day, it could make it possible to do everything from resurrect extinct species to develop cures for chronic disease. It’s built on a natural adaptation found in the DNA of bacteria and single-celled organisms. CRISPR stands…

Few harbingers of old age are clearer than the sight of gray hair. As we grow older, black, brown, blonde or red strands lose their youthful hue. Although this may seem like a permanent change, new research reveals that the graying process can be undone—at least temporarily. Hints that gray hairs could spontaneously regain color…

Indonesia’s health ministry reported over 12000 weekly COVID cases last week but these are underreported infection rates. Health restrictions and travel bans are being ignored and COVID testing is underfunded. Indonesian COVID vaccination rates are below 5% and Indonesia is using the less effective Chinese COVID vaccine. It is expected that Indonesia is building up…