The condition of a lion's mane apparently advertises high-quality mates to picky females and wards off male adversaries. (p. 117)

Trace amounts of pharmaceutical drugs in waterways may work together to deform and kill native microscopic organisms. (p. 101)

While international bodies grapple with regulatory schemes to stem the diamond trade that funds ongoing civil conflicts in African countries, scientists are attempting to develop methods for identifying gems from conflict zones. (p. 90)

Asian monsoons have been intensifying over the last 400 years, and they're slated to get worse. (p. 54)

A new report shows that many cosmetics contain phthalates—a class of chemicals known to cause developmental deformities in animals. (p. 36)

Agricultural pollutants may conspire with parasites to cause the epidemic of limb deformity that's sweeping through North America's frog populations. (p. 19)