Technology Memory sandwiches The US Office of Naval Research has been funding studies into molecular memory (WO 01/52266). Previous attempts to do this, which used photochemical dyes to record data, failed because the read/write heads moved too slowly. They were also limited because the memory could only be stored on a flat film. The ONR gets round this … News
Psycho killer WHOEVER has been mailing them must be delighted. For the price of a few stamps and precious little actual anthrax, they have succeeded in spreading panic across the globe and endowing white powders of all kinds with the power to clear buildings and ground planes. Even a Florida postmark can now strike fear. In a … Opinion
Wings of desire Britain's most magnificent butterfly, the swallowtail, was a "must-have" species for every serious Victorian collector. Its rarity made it all the more desirable: Britain's unique subspecies Papilio machaon britannicus lived only in the remote and inhospitable fenlands of East Anglia. The prospect of catching your own carried just a whiff of danger. At the height … Features
Divided life A Life of Sir Francis Galton by Nicholas Wright Gillham, Oxford, $35, ISBN 0195143655 POOR Francis Galton. Forever in the shadow of his cousin, Charles Darwin, he was eventually branded the "father of eugenics". But was he a victim of his times, an upstanding Victorian boffin with views now rather out of fashion? Or did … Books & Arts
Feedback MICHAEL LIPSCHUTZ , who studied the first rocks brought back from the Moon in 1969, tells us he remembers public concern about the possibility that the rocks might harbour pathogens. So NASA spent millions of dollars on quarantine facilities—even after Lipschutz's research director pointed out in a letter to a scientific journal that, with the … Regulars