IN the Transactions of the Chemical Society for August Messrs. Baly and Collie, referring to the previous work of Baly and Desch (Trans. Chem. Soc., 1904, lxxxv., 1029, and 1905, lxxxvii., 766) on the ...

Eumelanin is a ubiquitous biological pigment, and the origin of its broadband absorption spectrum has long been a topic of scientific debate. Here, we report a first-principles computational ...