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How does a single cell build a brain with billions of precisely organized neurons? Researchers suggest that brain cells use their lineage--their cellular family tree--as a kind of positional map. Cells that come from the same ancestor stay near one . ...

After nearly seven decades of excavation, the legendary ancient city of Sardis has become a UNESCO World Heritage Site, celebrating years of discoveries that continue to reshape its history. Archaeologists say the biggest breakthroughs don't happen . ...

NASA's Lucy spacecraft discovered that asteroid Donaldjohanson is a wobbling, peanut-shaped relic born from a violent collision and slowly reshaped by the subtle force of sunlight. It also carries traces of ancient water, making it an important clue ...

What if consciousness isn't limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that consciousness could arise in many different forms of life, even in beings built from radically different materials than those found on ...

Scientists have discovered a tiny group of neurons in an ancient brain region that acts like a built-in focus filter, helping the brain ignore distractions and zero in on what matters most. When researchers temporarily switched off these neurons in . ...

Scientists have uncovered a surprising new twist in what happens when cells die. As dying cells break apart, they leave behind tiny "footprints of death" packed with newly discovered particles that help guide the immune system to clean up the remains ...

A hidden population of South African leopards has revealed a remarkable evolutionary story. Researchers analyzing entire leopard genomes discovered that the Cape Floristic Region's leopards are not only much smaller than most African leopards, but .. ...

A new study suggests early humans were using fire in South Africa's Wonderwerk Cave as far back as 1.79 million years ago. Researchers found burned bones deep inside the cave, where natural wildfires could not have reached, indicating that fire was . ...

Scientists discovered that kombucha's flavor, chemistry, and antioxidant activity vary dramatically depending on the tea used to make it. Green and oolong tea kombuchas emerged as the most biologically active, while fermentation transformed each tea ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the rapid-response observations helped confirm the object's natural ...