Yina Co­bián, Alan Du, Kanika Khanna, Neer­aja Veg­esna, Chung­hoon Woo, and Asami Ya­ma­mura — In a re­cent class, we dis­cussed an ex­cit­ing pa­per about a new group of Ar­chaea that just may be the "miss­ing link" be­tween prokary­otes and eu­kary­otes. Spang and col­leagues iden­ti­fied a novel can­di­date ar­chaeal phy­lum, the Lokiar­chaea, which...