Cold Hard Facts

Putting a Human Face on Cold, Hard Facts: Effects of Personalizing Social Issues on Perceptions of Issue Importance

Cold Hard Cache: The Arctic Drilling Controversy

Chiral Symmetry in Nuclei Theoretical Expectations and Hard Facts

It is widely believed that chiral symmetry is restored not only at high temperatures, but also at high nuclear densities. The drop of the order parameter of the chiral phase transition, the chiral condensate, with density has indeed been calculated in various models and is as such a rather robust result. In this talk I point out that the connection of this property with actual observables is fa...

Useful characters in gastropod phylogeny: soft information or hard facts?

SMITH, A. B. 1994. Rooting molecular trees: Problems and strategies. Biol. J. Linn. Soc. 51:279–292. SOLTIS , D. E., AND 15 OTHER AUTHORS. 1997. Angiosperm phylogeny inferred from 18S ribosomal DNA sequences. Ann. Mo. Bot. Gard. 84:1– 49. SWOFFORD, D. L. 1999. PAUP¤ : Phylogenetic analysis using parsimony, version 4.0. Sinauer Associates, Sunderland, Massachusetts. TEMPLETON, A. R. 1983. Phylog...

Metal speciation and microbial growth - the hard ( and soft ) facts

Micro-organisms require certain metallic elements for growth and function (Hughes & Poole, 1989). These include, for example, the bulk elements potassium and magnesium, and trace elements such as manganese, iron, copper, zinc and molybdenum. Essential metals are shown in Fig. 1, the Periodic Table. The need for these essential metals is, or should be, acknowledged in the composition of growth m...