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A new study found that fructose and glucose may look the same on a nutrition label, but the brain treats them very differently. In mice, glucose strongly reduced activity in hunger-promoting brain cells, while fructose had a much weaker effect. High ...

The capture of a juvenile great white shark in Spain has provided fresh evidence that the Mediterranean's elusive "ghost" population of great whites still survives. Researchers reviewing 160 years of records say the discovery could even hint that the ...

Scientists have discovered a "ballista spider" that builds a spring-powered silk trap designed specifically to catch aggressive green tree ants. The ant unknowingly triggers the mechanism itself, launching into the spider's web in one of nature's ...

A new study suggests Earth may have been sending tiny hitchhikers to Venus for billions of years. Researchers found that asteroid impacts could launch microbes into space, where some might survive the journey and end up suspended in Venus' clouds. If ...

Astronomers may have witnessed one of the rarest and most dramatic cosmic events ever seen: a long-sought intermediate-mass black hole ripping apart a dense white dwarf star and devouring it. The Einstein Probe space telescope caught the explosion in ...

Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 years ago. Today, researchers are finding that B12 ...

Researchers found that a rare liver cancer evades immunotherapy by luring immune T cells away from the tumor and trapping them in nearby fibrous tissue. An FDA-approved drug called AMD3100 freed those T cells to attack the cancer, significantly ...

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 ...