I've been fixing up the boat for the holidays.

In addition to looking at gene expression, Bozek and her colleagues analyzed levels of metabolites, a diverse group of small molecules that includes sugars, nucleic acids and neurotransmitters. Many metabolites are either necessary for metabolism or produced by it.

The ceiling had been painted with the martyrdom of some saint. Who shall place a bound to human folly, when both the inflicter and the endurer of torture have deemed that pain is acceptable in the sight of God?

It's a tad gross that I haven't been able to flush, but if it's yellow, let it mellow ... and run like hell-o.