A study found large-scale declines of African elephants in the first continent-wide analysis of population survey data. Over 53 years of surveys, forest elephant populations decreased on average by 90 ...

Background We investigated the prevalence, temporal trends and associated factors of overweight and obesity among adults in ...

Mapi Gloricien lies in his mother’s arms in a hospital in Kinshasa, among the fastest-growing cities on Earth. Just days old, he’s one of an estimated 4.5 million children expected to be born in the ...

The fossil and genetic evidence agree that modern humans originated in Africa. The most genetically diverse human populations—the groups that have had the longest time to pick up novel mutations—live ...

Great white shark populations in South Africa are disappearing, driven largely by human activities that are likely ...