Nanoparticles in the juice slowed the formation of the stones in rats A surprise ingredient may explain how lemon juice puts the squeeze on kidney stones. Lemons contain nanoparticles that, when fed to rats, block stone formation, scientists report in the Feb. 22 Nano Letters. If the tiny sacs doContinue Reading

Polymyxins turn cell membranes into brittle, breakable crystals To kill drug-resistant bacteria, “last-resort” antibiotics borrow a tactic from Medusa’s playbook: petrification. New high-resolution microscope images show that a class of antibiotics called polymyxins crystallize the cell membranes of bacteria. The honeycomb-shaped crystals that form turn the microbes’ usually supple skinsContinue Reading

This interactive map shows locations, suggesting that finding care for lingering symptoms can be a challenge For the millions of people in the United States with long COVID, getting help comes down to where they live. Long COVID clinics have been popping up, but their accessibility and the kind ofContinue Reading

The virus is thought to be predominantly carried by shrews An international team of scientists is tracking a newly-identified, potentially dangerous virus that has jumped from animals to humans to infect at least 35 people in northeast China. The Langya henipavirus, also called “Langya” or “LayV,” was first detected inContinue Reading

Mice and humans infected with dengue emit acetophenone, a mosquito-attractor Some mosquito-borne viruses turn mice into alluring mosquito bait. Mice infected with dengue or Zika viruses — and people infected with dengue — emit a flowery, orange-smelling chemical that tempts hungry mosquitoes, researchers report June 30 in Cell. In mice,Continue Reading