apes

The human ability to produce two sounds at once could have an evolutionary component

People playing an online game correctly identified more than half of common great ape gestures

Tourists' willingness to comply with disease prevention measures can help protect great apes

GDP, roads, agricultural land, and human population density are the strongest factors predicting abundance

The analysis adds a new chapter to evolution, shedding additional light on what preceded human bipedalism

Tool-use in animals is a rare and often quickly rated as intelligent due to its striking nature

Zoonotic diseases now constitute more than 60 percent of emerging infectious diseases

How 70,000 years of human interaction have shaped an icon of wild nature

Apes also have muscles long-believed to be only present in humans and used for walking on two legs, using complex tools, and sophisticated facial and vocal communication

Researchers say the most imminent threat is a planned U.S. $1.6 billion mega-dam—the Batang Toru project