What is the meaning of 'one'? Evolutionary biologists argue for new meaning of 'organismality'
Rice University evolutionary biologists David Queller and Joan Strassmann argue in a new paper that high cooperation and low conflict between components, from the genetic level on up, give a living thing its "organismality," ...
Superconductivity's third side unmasked
The debate over the mechanism that causes superconductivity in a class of materials called the pnictides has been settled by a research team from Japan and China. Superconductivity was discovered in the pnictides ...
Evolution: Social exclusion leads to cooperation
Social exclusion as a punishment strategy helps explain the evolution of cooperation, according to new research published today in the Proceedings of the Royal Society B.
Game theory study: Cooperative behavior meshes with evolutionary theory
(PhysOrg.com) -- One of the perplexing questions raised by evolutionary theory is how cooperative behavior, which benefits other members of a species at a cost to the individual, came to exist.
New technique reveals cross-talk between two essential cellular processes
Scientists at The Scripps Research Institute have simultaneously mapped two of the most important types of protein-modification in cells, revealing their extensive cooperation during an essential cellular process.
Natural born killers
(PhysOrg.com) -- Only a few days old and still blind and naked, chicks of the African greater honeyguide kill their newly hatched foster siblings in order to eliminate competition for parental care, new research from the ...
We're in this together: A pathbreaking investigation into the evolution of cooperative behavior
Humans are much more inclined to cooperate than are their closest evolutionary relatives. The prevailing wisdom about why this is true has long been focused on the idea of altruism: we go out of our way to do nice things ...
Helping family is key for social birds
(Phys.org) -- Social birds that forgo breeding to help to raise the offspring of other group members are far more likely care for their own close relatives than for more distant kin, a new study has found.
Coordinated Punishment Leads to Increased Cooperation in Large Groups
(PhysOrg.com) -- Humans are incredibly cooperative, but why do people cooperate and how is cooperation maintained? A new research study by UCLA anthropology professor Robert Boyd and his colleagues from the ...
'Policing' stops cheaters from dominating groups of cooperative bacteria
For cooperation to persist in the often violently competitive realm of bacteria, cheaters must be kept in line.
Shame and honor increase cooperation
Honour and shame work equally well in encouraging social cooperation, according to a new study by researchers at the University of British Columbia and the Germany's Max Planck Institute for Evolutionary Biology.
Key regulators for biofilm development discovered
They can be found everywhere -- organized communities of bacteria sticking to surfaces both inside and outside the body. These biofilms are responsible for some of the most virulent, antibiotic-resistant infections in humans; ...
One bite can destroy a reputation, even if you are a fish
(PhysOrg.com) -- Misbehaving in front of others can ruin your reputation even if you are a fish, according to an international study that has shown for the first time an audience can influence levels of cooperation ...
Collaboration encourages equal sharing in children but not in chimpanzees
Children as young as three years of age share toy rewards equally with a peer, but only when both collaborated in order to gain them.