How do roots build a home in soil?

Ghezzehei, T. A., Berli, M., Menon, M., Aravena, J. E., Pillai, N. S., Regentova, E. E., Tyler, S. W., Young, M. H., Nico, P. (2010). How do roots build a home in soil?, 16th Annual Coalition for National Science Funding Exhibition & Reception: Washington DC