From today’s Guardian: Looks like a sagittal section of a mouse brain?

Stem cell scientists at Edinburgh and the Institute of Molecular Biotechnology in Vienna grew this organoid, or tiny ‘brain’, which measures just 4mm across. Photograph: Madeline A Lancaster/PA

The Guardian story is here. The original paper was just published in Nature and…like the NYT… it’s not available right now, odd target for a denial of service attack, but there you go.