Archive for the ‘Anthropology’ Category
Worker ants are good searchers smaller seeds in the soil and the largest are best transported to the nest. Dividing up the tasks according to each individual’s skills allows them to get more food into the nest with less effort.
The results of a study conducted by Dr. Xavier Arnan and other researchers from Centre de Recerca Ecologica i Aplicacions Forestals (CREAF), first described a seed collection strategy where ants share the tasks according to their abilities.
The study also published in the journal Behavioral Ecology and Sociobiology, highlights the competitive advantages that this team has over other strategies based on an individualized collection of seeds. According to experts, the small workers are faster for seeds. This skill may be attributed to the small size facilitates their movement through the vegetation. Read the rest of this entry »
A new study suggests that Homo erectus, a predecessor of modern humans was already using advanced methods of tool making in East Africa 1.8 million years ago, i.e. at least 300,000 years earlier than previously thought until now.
The study opens new questions, not without mystery about where these ancestors originated tall and thin and how they developed this sophisticated technology for the manufacture of tools. The Homo erectus appeared about 2 million years, and moved between Asia and Africa before reaching what is considered to have been a dead end in its evolution for nearly 70,000 years. Read the rest of this entry »
A study of the University of Auckland (New Zealand) suggests that the language, like genetics, originated in Africa. An analysis of human speech around the world has been carried out by researchers.
“Our research indicates that the approximately 6,000 languages in the world today are descended from a common ancestor in Africa. This result is very important because it represents that all languages share the same origin and validates the idea of a human being with language” SINC Quentin Atkinson, author of the study explains.
The expert chosen as a sample of 504 phonemes are spoken languages, including indigenous Pacific and America, and found that the dialects which contain most of the phonemes are spoken in Africa, while those with the least amount spoken in South America and tropical islands in the Pacific Ocean. Read the rest of this entry »