Journal of Biogeography, Vol. 30, No. 6 (Jun., 2003), pp. 827-835 (9 pages) Aim This paper reviews possible candidate models that may be used in theoretical modelling and empirical studies of ...

Unless you’re a savant born with unnatural abilities for using two knobs to create artistic masterpieces, the Etch A Sketch drawing toy gets less appealing the older you get. I was surprised to find ...