To get treats, apes eagerly pointed them out to humans who didn't know where they were, a seemingly simple experiment that demonstrated for the first time that apes will communicate unknown ...

She said his theory was based on a papyrus flower symbol which he believed had been carved between the ape's legs. Mr Gilroy also believed there may have once been a pyramid built on the outskirts ...

People adjust their communication based on what they believe others know or do not know. The findings suggest that great apes share this ability at a basic level. “There are debates in the field about ...

"This work represents a huge step in extending our ability to better understand diets and trophic level of all animals back into the scale of millions of years. The research provides clear ...

This one-hour program is divided into six chapters. Choose any chapter below and select QuickTime or Windows Media Player to begin viewing the video. If you experience difficulty viewing, it may ...

However, the biomass of planktivorous fish is often positively related to nutrient levels and ecosystem productivity. Piscivorous fishes (e.g., bass, pike) tend to dominate the fish community of ...

This important study provides empirical evidence of the effects of genetic diversity and species diversity on ecosystem functions across multi-trophic levels in an aquatic ecosystem. The support for ...