There is currently wide interest in the physical activity of children, but little understanding of its control. Here, we use accelerometers to test the hypothesis that habitual activity in young ...
Plant scientists have provided a new solution to an old debate on why species hybrids can be more vigorous than their parents. The researchers found a type of genetic "noise" caused by a surprising ...
Proceedings of the Royal Society of London. Series B, Biological Sciences, Vol. 150, No. 938 (Jan. 27, 1959), pp. 13-23 (11 pages) The variation in the relative rate of catalase synthesis by Bact.