A consideration of the absorption and metabolism of folic acid in human subjects is timely, owing to the recent recommendation by the UK Government’s Scientific Advisory Committee on Nutrition that a mandatory folic acid fortification programme be implemented in the UK. In this issue of the British Journal of Nutrition, Wright et al. take us through the processes of absorption and metabolism of...

In the present paper, the so-called Einstein’s causality is scrutinized and proven to be an illusion, a sort of mathematical fiction, and the causality as a well-established universal principle would be absolutely valid for subluminal, luminal and superluminal signals under any natural and/or artificial circumstances. It is also shown that any attempt to apply special relativity theory to super...

Stringent controls are necessary on the potential use of genetic information that may throw light on the range of normal human behaviour and little useful has yet emerged, a new report concludes. Parents should not be allowed to choose, or even know about the intelligence, sexual orientation or personality traits of their future children, the report says in advice presented to the British gover...