(MedPage Today) -- I suppose I understand why online patient reviews of physicians exist. Patients have told me they provide helpful information when searching for a new physician. Physicians have told me they provide insight into what patients...
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(MedPage Today) -- Leaders of Jehovah's Witnesses are modifying their prohibition on receiving blood transfusions on religious grounds, now allowing members to decide whether to allow their own blood to be drawn and stored in advance for such things...
Scientists have finally cracked how mosquitoes decide where to fly—and it’s not by following each other. Instead, each insect independently reacts to visual cues and carbon dioxide, zeroing in on humans when both signals align. Dark colors and CO2 together create the strongest attraction, triggering swarming and biting behavior. This insight could reshape how we design traps and prevent mosquito-borne diseases.
Beavers may be unlikely climate heroes, but new research suggests they could play a powerful role in fighting climate change. By building dams and transforming streams into wetlands, these industrious animals dramatically reshape how carbon moves and is stored in landscapes. Over just 13 years, a beaver-engineered wetland in Switzerland stored over a thousand tonnes of carbon—up to ten times more than similar areas without beavers.
Researchers have uncovered the world’s oldest known cave art—a 67,800-year-old hand stencil in Indonesia. The unusual, claw-like design hints at early symbolic thinking and possibly spiritual beliefs. This discovery also strengthens the case that humans reached Australia at least 65,000 years ago. It offers rare insight into the creative lives of some of our earliest ancestors.