Mammoth DNA found in Cambodia market items

Scientists tackling the illegal trade in elephant ivory got more than they bargained for when they found woolly mammoth DNA in trinkets on sale in Cambodia, they revealed Friday.

Plant hedges to combat near-road pollution exposure

Urban planners should plant hedges, or a combination of trees with hedges—rather than just relying on roadside trees—if they are to most effectively reduce pollution exposure from cars in near-road environments, finds ...

Fewer affected in Marriott hack, but passports a red flag

Fewer Marriott guest records than previously feared were compromised in a massive data breach, but the largest hotel chain in the world confirmed Friday that approximately 5.25 million unencrypted passport numbers were accessed.

Climate warming experiment finds unexpected results

Tropical forests store about a third of Earth's carbon and about two-thirds of its above-ground biomass. Most climate change models predict that as the world warms, all of that biomass will decompose more quickly, which would ...

page 1 from 5