The 20-Second Scan
* Researchers at TU Wien derived a quantum version of Einstein's geodesic equation showing that particles in quantum spacetime deviate from the paths predicted by classical general relativity.
* Scientists identified tanycyte brain cells that transport toxic tau protein from cerebrospinal fluid into the bloodstream, with damaged tanycytes found in Alzheimer's patients.
* A Dutch startup raised $131 million to commercialize iron powder combustion as a carbon-free ind
