Artemis II mission is about to fly humans to the Moon heres the science theyll do Nature

Age-related microbiome changes increase medium-chain fatty acid-producing bacteria, driving GPR84-mediated myeloid inflammation, impaired vagal signalling and hippocampal dysfunction; targeting this gut–brain pathway restores memory in aged mice.

Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or delivering the wrong diagnosis.

Fluorescent proteins with a quantum upgrade could offer unprecedented views inside cells.