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A surprising new discovery suggests that tiny microbes living inside fish may be helping shape the chemistry of the world's oceans. Scientists found evidence that bacteria in the guts of marine fish work alongside their hosts to produce calcium ...

Scientists have uncovered a surprising navigation system in pigeons: iron-filled immune cells in the liver that may act like tiny magnetic sensors. Birds deprived of these cells struggled to find their way home under overcast skies, indicating they . ...

A specially formulated tomato-soy juice packed with natural plant compounds may help calm inflammation linked to obesity, according to a new clinical study. Healthy adults with obesity who drank the juice daily for four weeks saw significant ...

Scientists discovered that sleep deprivation damages a key brain circuit responsible for social memory, making it harder to recognize familiar individuals. In laboratory studies, caffeine restored communication between neurons in this pathway and ...

Scientists have discovered Labrujasuchus expectatus, a bizarre crocodile relative that looked more like an ostrich-like dinosaur than anything resembling a modern crocodile. It walked on two legs, had tiny arms, and sported a toothless beak--an ...

A newly discovered raptor-like dinosaur from Patagonia is changing how scientists think about ancient predators. Named Kank australis, the 70-million-year-old dinosaur appears to have hunted fish much like modern herons, using a long, flexible neck . ...

Feeling constantly drained might not just be about poor sleep or working too hard. Researchers in Japan found that low levels of key vitamins -- especially vitamin B12 and folate -- may quietly contribute to fatigue and lack of motivation, even in .. ...

CBD may be doing far more than just easing pain or anxiety -- new research suggests it could help fight Alzheimer's disease by calming the brain's runaway immune response. In experiments using Alzheimer's mice, scientists found that inhaled CBD ...

Scientists have solved the mystery of the Seychelles' vanished crocodiles using DNA from historic museum specimens. The reptiles were not a unique species after all, but an isolated population of saltwater crocodiles that likely drifted thousands of ...

Tiny birds on remote Scottish islands are undergoing a dramatic evolutionary transformation. Scientists studying four isolated populations of British Wrens discovered that some island birds have grown astonishingly large -- with the biggest St Kilda ...