Finely preserved brain features in a tiny marine arthropod fossil suggest that arachnids – spiders and their close kin – may ...

Finely preserved brain features in a tiny marine arthropod fossil suggest that arachnids – spiders and their close kin – may have first evolved in the ocean rather than on land, say scientists.

A side-by-side comparison of the brains of a horseshoe crab (left), the Mollisonia fossil (center) and a modern spider (right) reveal the surprising findings of this study: The organization of ...

Ultrasound Localization Microscopy (ULM) enables imaging microvessels in the brain with a resolution of a few tens of micrometers in-vivo. The planar architecture of arterioles and venules was ...