Venom has already been used to create drugs, but the chemicals in it are often too deadly for human consumption. Leer más.
The old adage “you are what you eat” is helping scientists better understand the threatened loggerhead turtle, which is the primary nester on Central Florida’s beaches. Leer más.
Squamate reptiles (lizards and snakes) are one of the most diverse groups of terrestrial vertebrates. Recent molecular analyses have suggested a very different squamate phylogeny relative to morphological hypotheses, but many aspects remain uncertain from molecular data. Here, we analyse higher-level squamate phylogeny with a molecular dataset of unprecedented size, including 161 squamate species for up to 44 nuclear genes each (33 717 base pairs), using both concatenated and species-tree methods for the first time. Leer más.
It’s a 106-degree Fahrenheit day in the Mojave Desert. Heat devils dance off chocolate-hued Clark Mountain on the horizon. Air-conditioned cars zip along Interstate 15 toward Las Vegas. And inside a chain-link pen covered to keep out predators are scores of rare, threatened, sand-colored desert tortoises. Leer más.