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Mars has a hidden temperature divide, with its southern interior potentially hundreds of degrees hotter than the north and partially molten. The discovery could help explain several long-standing Martian mysteries, including unusual magnetism, ...

Scientists have cracked a long-standing chemistry problem, creating nanocrystals from tough metal nitrides that were previously extremely difficult to produce at this scale. The breakthrough could turn familiar materials used in LEDs, implants, and . ...

Scientists have discovered seven new species of Madagascar's elusive diamond frogs, using DNA from modern and century-old museum specimens to solve a long-running biological puzzle. The findings reveal surprising hidden diversity and could help ...

Weapons buried with ancient Egyptian princesses may have been more than ceremonial decorations. Researchers studying royal mummies from Dahshur found bone changes consistent with years of archery and other strenuous weapon use. Several women also ...

Researchers have produced a form of Spirulina containing biologically active vitamin B12 at levels comparable to beef. By carefully controlling the light used to grow the algae, they overcame a major problem with conventional Spirulina, which mainly ...

The Juan de Fuca plate beneath northern Oregon appears to be shallower than previously estimated, potentially making shaking from a future Cascadia megathrust earthquake significantly stronger. Scientists also found a deep basin beneath Tillamook ...

Quantum mechanics and Einstein's theory of gravity explain almost everything we see in nature, yet physicists still do not know how to unite them. A new theoretical framework suggests that some experiments that appear to show gravity behaving quantum ...

CAR T-cell therapy dramatically reduced disease activity in six people with severe rheumatoid arthritis that had resisted other treatments, with three achieving medication-free remission. The treatment may work by clearing out harmful immune cells .. ...

A ketogenic diet outperformed Mediterranean and low-fat diets in several measures of metabolic health during a clinical trial involving people with obesity, prediabetes, and fatty liver disease. All three groups lost about 10% of their body weight, . ...

Dogs and humans may have more in common when it comes to aging than scientists realized. Researchers with the Dog Aging Project found that patterns of small molecules in dogs' blood were linked to longer or shorter lifespans in remarkably similar ...