The double-edged sword of dominance

A study of chimpanzees has revealed that dominant animals with higher testosterone levels tend to suffer from an increased burden of parasites. Researchers writing in BioMed Central's open access journal BioPsychoSocial Medicine ...

Origins of human teamwork found in chimpanzees

Teamwork has been fundamental in humanity's greatest achievements but scientists have found that working together has its evolutionary roots in our nearest primate relatives – chimpanzees.

Researchers develop a structural approach to exploring DNA

A team led by researchers from Boston University and the National Institutes of Health has developed a new method for uncovering functional areas of the human genome by studying DNA's three-dimensional structure -- a topographical ...

US lawmakers seek to ban chimp experiments

US lawmakers proposed bills Wednesday banning medical research on chimpanzees in the United States, the last major industrialized country to still use to the apes for experiments.

Bonobos stay young longer

Despite the fact that chimpanzees and bonobos share similar starting conditions at birth they develop different behavioural patterns later in life. These differences might be caused by different hormone levels. Researchers ...

Higher hormone oxytocin levels in chimpanzees who share food

The ability to form long-term cooperative relationships between unrelated individuals is one of the main reasons for human's extraordinary biological success, yet little is known about its evolution and mechanisms. The hormone ...

Baboons prefer dining with friends

Mealtimes can be a fraught business for the wild baboons of the Namib Desert. There's little food about, which means they have to share. Unsurprisingly, skirmishes often break out.

page 29 from 40