La ciencia en los medios

[:es]A 19th century claim has fueled a 21st century debate about how a warming climate might reshape animals. Beginning in the early 1800s, biologists identified multiple “rules” describing the ecological and evolutionary impacts of temperature. One rule held that animals have bigger appendages (ears, beaks) in hot climates, to help dissipate body heat. Another said…

[:es]El drástico declive global de ranas y otros anfibios debido a la quitridriomicosis, una enfermedad causada por un hongo patógeno extremadamente virulento, exacerbó los brotes de malaria en Costa Rica y Panamá durante las décadas de 1990 y 2000. Así lo ha advertido una nueva prepublicación que proporciona la primera evidencia de que la disminución…

[:es]You’d never know it by looking at the dragonflylike adult antlion, but its wingless larvae—fingernail-size eating machines with huge, poison-filled jaws—build deadly sand traps to capture tiny insects, including ants. Now, scientists know precisely how they do it: As the hapless prey falls into its pit, an antlion at the bottom uses its head to…