Researchers have confirmed that lizards exhibit two sleep states, just like humans, other mammals, and birds. They corroborated the conclusions of a 2016 study on the bearded dragon and conducted the same sleep investigation on another lizard, the Argentine tegu. Their findings nevertheless point out differences between species, which raises new questions about the origin of sleep states.
Amphibian populations around the world are declining due to a skin disease caused by fungus. However, an amphibian commonly found in Louisiana, the three-toed amphiuma, has shown a resistance to the fungus.
Venomous snakebites affect 2.5 million people, and annually cause more than 100,000 deaths and leave 400,000 individuals with permanent physical and psychological trauma each year. Researchers have now described a new approach to treating snake bites, using nanoparticles to bind to venom toxins and prevent the spread of venom through the body.