Next generation of algorithms inspired by problem-solving ants
(PhysOrg.com) -- An ant colony is the last place you'd expect to find a maths whiz, but University of Sydney researchers have shown that the humble ant is capable of solving difficult mathematical problems.
New model for social marketing campaigns details why some information 'goes viral'
Researcher compiles evidence in support of Darwin's theory of sexual selection
In 1871, Charles Darwin sparked debate that continues today when he proposed that human sex differences evolved based on sexual selection. Sexual selection is Darwin's theory that certain physical, mental or psychological ...
Scientists say natural selection alone can explain eusociality
Scientists at Harvard University have sketched a new map of the "evolutionary labyrinth" species must traverse to reach eusociality, the rare but spectacularly successful social structure where individuals cooperate to raise ...
Carrots are better than sticks for building human cooperation
Rewards go further than punishment in building human cooperation and benefiting the common good, according to research published this week in the journal Science by researchers at Harvard University and the Stockholm School ...
Exceptional upward mobility in the US is a myth, international studies show
(Phys.org)—The rhetoric is relentless: America is a place of unparalleled opportunity, where hard work and determination can propel a child out of humble beginnings into the White House, or at least a mansion on a hill.
Absent pheromones turn flies into lusty Lotharios
(PhysOrg.com) -- When Professor Joel Levine's team genetically tweaked fruit flies so that they didn't produce certain pheromones, they triggered a sexual tsunami in their University of Toronto Mississauga ...
Neanderthal demise due to many influences, including cultural changes: study
As an ice age crept upon them thousands of years ago, Neanderthals and modern human ancestors expanded their territory ranges across Asia and Europe to adapt to the changing environment.
The internet of meetings
(PhysOrg.com) -- Software created by European researchers is transforming business and education through the complete capture of the audio, video and textual record. It is the internet, for meetings.
When it comes to survival of the fittest, stress is a good thing
When the woods get crowded, female squirrels improve their offspring's odds of survival by ramping up how fast their offspring grow.
Can the friend of my friend be my enemy? Choice affects stability of the social network
Just as humans can follow complex social situations in deciding who to befriend or to abandon, it turns out that animals use the same level of sophistication in judging social configurations, according to ...
Stanford sociologist goes undercover to study Latino immigration in the South
(PhysOrg.com) -- Monica McDermott spent a year working in a South Carolina discount store to see how an influx of Hispanic immigrants is changing the area's social dynamics.
Using digitized books as 'cultural genome,' researchers unveil quantitative approach to humanities
(PhysOrg.com) -- Researchers have created a powerful new approach to scholarship, using approximately 4 percent of all books ever published as a digital "fossil record" of human culture. By tracking the frequency ...
You clap, so I clap: Peer pressure drives applause
If you have just seen a play that you privately think is drivel, will you keep silent when everyone around you demands an encore?