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Researchers successfully implanted a genetically modified pig liver into a human, proving that such an organ can function for an extended period. The graft supported essential liver processes before complications required its removal. Although the .. ...

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded molecular clock approach, the team showed that crucial cellular features emerged in ancient anoxic oceans long before oxygen ...

Researchers have uncovered a new species of wolf snake on Great Nicobar Island and named it Lycodon irwini in tribute to Steve Irwin. The glossy black, non-venomous snake grows up to a meter and appears confined to a small area. Scientists warn its . ...

An immense Bronze Age settlement has emerged from the Kazakh Steppe, revealing a surprisingly urban and industrial society where archaeologists once expected nomadic camps. At Semiyarka, researchers uncovered massive residential compounds, a possible ...

Fresh evidence suggests early Earth wasn't locked under a rigid stagnant lid but was already experiencing intense subduction. Ancient melt inclusions and advanced simulations point to continents forming far earlier than expected. The findings ...

This year's ozone hole over Antarctica ranked among the smallest since the early 1990s, reflecting steady progress from decades of global action under the Montreal Protocol. Declining chlorine levels and warmer stratospheric temperatures helped limit ...

Experiments reveal that pond frogs can eat highly venomous hornets without suffering noticeable damage, even after repeated stings. Most frogs successfully consumed hornets, including the notorious Asian giant hornet. This unusual resilience suggests ...

Scientists have captured a never-before-seen, high-resolution look at influenza's stealthy invasion of human cells, revealing that the cells aren't just helpless victims. Using a groundbreaking imaging technique, researchers discovered that our cells ...

Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went extinct. Surprisingly, warmer periods didn't make . ...

Researchers recreated conditions from billions of years ago and found that Earth's young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, may have formed naturally in the sky. The results ...