Professor blogs and initiatives:

A ciencia cierta (Prof. Javier Novo): the latest science news explained by scientists for the general public. Also on Twitter: @a100ciacierta

microBIO (Prof. Ignacio López Goñi): news and other facts of interest about viruses, bacteria and microbiology. Also on Twitter: @microBIOblog

Materia Blanda (Prof. Ángel Garcimartín): Posts about Physics in the SciLogs of Investigación y Ciencia, the leading science journal.

23 PARES: A distinctive (and fun) perspective on cytogenetics. Also on Twitter: @23_Pares

Crónicas de la Ciencia: A blog by Natalia López Mortalla on human biology.