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For nearly 700 years, Indigenous hunters repeatedly used a bison kill site in central Montana--then suddenly stopped, even though bison were still abundant. Researchers uncovered evidence that recurring, decades-long droughts likely made the site ...

Scientists have developed biodegradable protein beads made from dairy and tofu waste that can capture carbon dioxide from the atmosphere more efficiently than many current technologies. Unlike conventional systems that require large amounts of energy ...

Researchers propose that tiny mineral nanoparticles may have been the hidden engines that transformed Earth's early chemistry into the first building blocks of life. By acting as natural catalysts and energy processors, these "nanozymes" could help . ...

A groundbreaking new connectome maps every neural connection in an adult fruit fly's central nervous system, creating an unprecedented view of how the brain and body work together. The findings suggest that complex behaviors emerge from distributed . ...

Earth's earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities that changed very little over time. When environmental pressures pushed them toward sexual reproduction, biodiversity ...

Scientists have uncovered new evidence that Stonehenge's six-ton Altar Stone was deliberately transported hundreds of kilometers from Scotland by ancient people. The feat would have required extraordinary planning, teamwork, and determination, ...

A surprising study suggests that chemicals introduced to protect the ozone layer may have unintentionally created a growing global pollution problem. Researchers found that refrigerants and certain anesthetic gases have generated more than 335,000 .. ...

Ancient grooves on human teeth, once hailed as evidence of tooth-picking, may simply be the result of natural wear, according to a new study of wild primates. The research also revealed that a common modern dental defect appears to be uniquely human, ...

Researchers have solved a decades-old mystery by showing that a cache of 43 helmets found off the Spanish coast is medieval, not Roman. The remarkable discovery exposes a thriving weapons trade network that connected Mediterranean powers during a ...

South Australia's koala population has grown so large that it may be heading toward a self-made disaster, with forests struggling to support the animals. Researchers say targeted fertility control could prevent widespread starvation and habitat ...