Humana Press, publishers of BioMedProtocols and numerous molecular biology journals, was acquired by Springer, and Humana's digital content is migrating to the Springer site. BioMedProtocols is now availabe as Springer Protocols. Springer Protocols, a protocol database of more than 18,000 searchable protocols in molecular biology and biomedience includes protocols from the series Methods in Molecular Biology, Methods in Molecular Medicine, Methods in Biotechnology, Neuromethods, and other sources. The new interface for Springer Protocols features commenting, video protocols, and the ability to upload protocols.