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An unreported accident in a virus laboratory at Yale is but one of many factors that challenge society's trust in scientists' promises to do hazardous research.
Linus Pauling, a giant of modern chemistry, died on 19 August (see page 584 of last week's issue). What follows is an account, in his own words, of his first years as a research scientist.
Without much notice, the notion that the Universe may have been through an infinite series of bouts of creation, and not just one, has been making headway in the literature.
A low-resolution structure of the bacterial toxin colicin la provides a model for its lethal membrane association and an explanation for the anomalous behaviour of its C-terminal peptide fragment.
Cell and tissue culture aids featured this week include postmitotic human neuronal cells, viability test kits for yeast, fungi and bacteria, cultureware, bioreactors, platers, shakers, stirrers and workstations.
