Although having a mother or sister diagnosed with breast cancer is known to increase a woman's risk of the disease (Collaborative Group on Hormonal Factors in Breast Cancer, 2001), the mechanisms ...
Global Ecology and Biogeography, Vol. 16, No. 2 (Mar., 2007), pp. 149-159 (11 pages) Aim We examined the relative contributions of spatial gradients and local environmental conditions to ...
Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively "sniffs" out hazardous chemicals in the air such as chlorosarin—a highly toxic ...