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Scientists are looking at a possible link between the mutations in the U.K. and South Africa — and those in immunocompromised patients who are infected with COVID-19.
President Biden's wave of executive actions includes an order to reexamine one controversial, but widely used, pesticide called chlorpyrifos. The Trump administration kept it on the market.
The bacterium Clostridium botulinum produces a toxin that can paralyze muscles and halt breathing. Eye of Science/Science Source New strategy to fight world’s most potent poison passes first tests in animals Jan. 6, 2021 , 2:00 PM A new strategy to fight the world’s most potent poison has passed its first tests in animals. Two research teams have developed neutered forms of botulinum toxin that chase their deadly counterpart into nerves and disarm it. The treatment, if it works in people, would be the first to reverse the paralyzing effects of the toxin inside cells and might sp...
Share People receiving gene therapy for hemophilia often lack a protein called factor that stabilizes fibrin (yellow), a component of blood clots. DENNIS KUNKEL MICROSCOPY/Science Source Liver tumor in gene therapy recipient raises concerns about virus widely used in treatment Dec. 22, 2020 , 5:00 PM It’s troubling news that gene therapy researchers have long anticipated: A hemophilia patient injected with a virus carrying a therapeutic gene in a clinical trial has developed a liver tumor. The U.S. Food and Drug Administration (FDA) has halted the associated clinical trials, and un...
Share Rain washing off fields can pollute waterways with fertilizer. Wetlands help remove that excess nitrogen. ANT Photo Library/Science Source Targeting U.S. wetland restoration could make cleaning up water much cheaper Dec. 18, 2020 , 2:15 PM Wetlands do a great job of filtering and cleaning up polluted water. But in the United States, many of those natural filters have been destroyed: filled in, paved over, or drained to become farm fields. Now, a study suggests policymakers responsible for managing wetlands could do a better job by strategically locating restored or created wetla...