The Inventory Stele: More Fact than Fiction

More than fact and fiction. Cultural memory and the Tuskegee Syphilis Study.

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Sonofusion – Fact or Fiction?

Sonoluminescence and Sonofusion phenomena may occur when vapor bubbles implode. This paper reviews the status of our understanding of the bubble dynamics involved in these interesting phenomena. In particular, the experimental and analytical evidence supporting the observed production of neutrons and tritium due to thermonuclear fusion within imploding bubble clusters is reviewed. Moreover, pot...

The andropause: fact or fiction?

The so-called andropause is an ill-defined collection of symptoms in a group of men who may have low but may also have normal androgen levels. Unlike the proven benefits of hormone replacement therapy in women, the effects of testosterone supplementation in men are equivocal. It may increase sexual interest, but rarely to a level thought adequate by the patient. It has no proven beneficial effe...

NFRs : Fact or Fiction ?

Fact or fiction

Many previous studies have aimed at spermatogenesis of male murine germ cells in vitro, but no efficient system has been established yet that covers the entire process of mammalian spermatogenesis in a culture dish permanently. In this review, we report on the requirements of spermatogenesis and the current state of different culture methods using testicular tissue fragments, single cell suspen...