Little red dots as young supermassive black holes in dense ionized cocoons - V. Rusakov; D. Watson; G. P. Nikopoulos; G. Brammer; R. Gottumukkala; T. Harvey; K. E. Heintz; R. Damgaard; S. A. Sim; A. Sneppen; A. P. Vijayan; N. Adams; et al. (Nature, 2026)