Generosity leads to evolutionary success, biologists show
With new insights into the classical game theory match-up known as the "Prisoner's Dilemma," University of Pennsylvania biologists offer a mathematically based explanation for why cooperation and generosity have evolved in ...
Facing a judge? Study says go early or after lunch
If you have to face a judge, try for first thing in the morning or right after lunch. A new study suggests that's when they're most lenient.
Bacteria offer insights into human decision making
(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...
Game theory analysis shows how evolution favors cooperation's collapse
Last year, University of Pennsylvania researchers Alexander J. Stewart and Joshua B. Plotkin published a mathematical explanation for why cooperation and generosity have evolved in nature. Using the classical game theory ...
Extortioners are only temporarily successful, game theory experiment demonstrates
(Phys.org) —Nice people are not always good people. Those who have always felt this intuitively can feel vindicated by the results of a recently published theoretical study: For the so-called Prisoner's ...
Aging cells lose their grip on DNA rogues
(Phys.org)—Transposable elements are mobile strands of DNA that insert themselves into chromosomes with mostly harmful consequences. Cells try to keep them locked down, but in a new study, Brown University ...
Internet 'trolls' face being named under new bill
Websites such as Facebook and Twitter will receive greater protection from lawsuits if they identify internet "trolls" accused of defaming others under a bill being debated in Britain's House of Commons on ...
Robot guards being tested in South Korea
Bacteria use chat to play the 'Prisoner's Dilemma' game in deciding their fate
When faced with life-or-death situations, bacteria and maybe even human cells use an extremely sophisticated version of "game theory" to consider their options and decide upon the best course ...
Hacker pleads guilty in huge credit card theft case
A 28-year-old Florida man pleaded guilty on Tuesday to hacking into corporate computer networks and carrying out what US officials have described as the largest credit card theft in US history.
fMRI scans used in murder trial sentencing
Material success and social failure?
It is common knowledge that in rich societies the poor have shorter lives and suffer more from almost every social problem. Likewise, large inequalities of income are often regarded as divisive and corrosive.
Sometimes 100 Cents Feels Like It's Worth More Than A Dollar
(PhysOrg.com) -- We all know that $1 is equal to 100 cents. But a new study suggests that, in some situations, people may behave as if 100 cents actually has more value.
Two in five African-American women know a prisoner, according to study
African-American adults – particularly women – on average have a significantly larger share of their social circle behind bars than whites, according to the first national estimates of Americans' ties to prisoners.