One of these trees, with all his young ones, may shroud four hundred horsemen.

It was like turning up a crock of gold, he remembers. It was absolutely wonderful. http://www.bbc.co.uk/news/magazine-12266109

As revealed by scanning and transmission electron microscopy, the cavities are arranged in a characteristic honeycomb-like pattern and each hair bundle is enclosed in an alveolus.

Unlike the other members of the non-centrosymmetric monopnictides, TaAs is the first Weyl semimetal candidate with the Fermi energy suffciently close to both types of Weyl points to generate chiral quasiparticles at the Fermi surface..