Science Daily

• Hidden genetic diversity helped inbred brown tree snakes conquer guam

  A notorious snake invasion that devastated Guam’s native birds may have succeeded because the reptiles carried hidden genetic advantages. Using advanced long-read DNA sequencing, researchers uncovered more than 19,000 large genetic differences in brown tree snakes, many concentrated in genes tied to immunity and smell. This overlooked diversity may have helped a population founded by only a few snakes survive inbreeding, adapt to a new environment, and multiply to extraordinary densities.

• Scientists trace the shocking origin of human eyes to an ancient “cyclops”

  Researchers say a tiny one-eyed ancestor that lived nearly 600 million years ago may have shaped the evolution of every vertebrate eye, including our own. They also found that its ancient median eye lives on today as the pineal gland, which helps synchronize our sleep with daylight.

• Scientists put the “recycling is a distraction” claim to the test

  Recycling, greener diets, and other personal climate choices do not seem to distract people from supporting major environmental reforms. A four-year study of nearly 2,800 Australians found that these habits neither increased nor reduced later political engagement.

• Ancient ape fossil in Egypt challenges the story of human origins

  A newly identified fossil ape from northern Egypt is reshaping ideas about where the ancestors of modern apes first emerged. Analyses place it closer to living apes than any known East African species of the same age, pointing to North Africa and the Middle East as a possible birthplace and crossroads for the ape lineage that eventually produced gibbons, orangutans, gorillas, chimpanzees, and humans.

• Sweden’s hidden rare earth deposits could help break China’s grip

  Sweden could become an important source of rare earth elements needed for magnets and green technologies. Instead of extracting one target metal, researchers are cataloging everything contained in Swedish mineral deposits. They will then develop magnets using those naturally available combinations, potentially reducing pollution, waste, and reliance on China.