Brain waves detected in mini-brains grown in a dish

Scientists have created miniature brains from stem cells that developed functional neural networks. Despite being a million times smaller than human brains, these lab-grown brains are the first observed to produce brain waves ...

Antibiotic resistance just became more complex

Bacteria that are susceptible to antibiotics can survive when enough resistant cells around them are expressing an antibiotic-deactivating factor. This new take on how the microbial context can compromise antibiotic therapy ...

Scientists discover six new coronaviruses in bats (Update)

Researchers with the Smithsonian's Global Health Program have discovered six new coronaviruses in bats in Myanmar—the first time these viruses have been detected anywhere in the world. Future studies will evaluate the potential ...

Study links 'stuck' stem cells to hair turning gray

Certain stem cells have a unique ability to move between growth compartments in hair follicles, but get stuck as people age and so lose their ability to mature and maintain hair color, a new study shows.

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