The intracellular purple sulfur bacterium 'Candidatus Thiodictyon intracellulare' has lost the ability to oxidize sulfur and now supplies a ciliate with energy from photosynthesis. Dr Sebastian ...

Monochrome painting of ciliate desert-grass (wugong cao, lit. centipede grass; Eremochloa ciliaris/Pteris vittata?) from Diannan bencao tushuo (The Illustrated Yunnan Pharmacopoeia). Diannan bencao ...