Genetic Map of Europe. If you have had your DNA analyzed, you have a good idea of the information on this map, though it is given by tribal or cultural group, and not haplo-group. Over time, the general direction of population movement was west.
Wavelength: lambda: the distance between any point on a wave and the corresponding point on the next crest (trough) of the wave; distance the wave travels during one cycle; expressed in meters, nanometers, micrometers, picometers m) or angstroms
Use potato power! With this science experiment for kids, learn how chemical reactions take place between two dissimilar metals and how to create voltage. Great activity for my son and his Cub Scout pack.