Upper limits on neutrino masses from cosmology

Abstract

Upper limits on neutrino masses from cosmology have been reported recently to reach the impressive sub-eV level, which is competitive with future terrestrial neutrino experiments. In this brief overview of the latest limits from cosmology I point out some of the caveats that should be borne in mind when interpreting the significance of these limits.

Comments: 3 pages, 1 figure. Contribution to the proceedings from NOW2006