Emerging ethical dilemmas in science and technology
As a new year approaches, the University of Notre Dame's John J. Reilly Center for Science, Technology and Values has released its annual list of emerging ethical dilemmas and policy issues in science and ...
Facebook goes full circle on censorship, like it or not
In the past few days, Facebook has gone full circle on its policy around censoring violent material.
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 ...
Professors study dilemmas in sustaining red light camera programs
It's a common driving predicament: As you approach the intersection, the light is yellow. Do you hit the brakes or face a red light camera fine?
Ivory Coast turns to brute force to save forests
It was a brutal end to a long-term problem. Faced with the dilemma of trying to save a protected forest, which had become home to thousands of people, the Ivory Coast government turned to force.
Most parents monitor kids on Facebook, study finds
Some two-thirds of American parents monitor their children's Facebook activities, but a large percentage say they trust their youngsters to manage on their own, a study showed Thursday.
Galaxies the way they were
(Phys.org) —Galaxies today come very roughly in two types: reddish, elliptically shaped collections of older stars, and bluer, spiral shaped objects dominated by young stars. The conventional wisdom is ...
How communities effectively punish antisocial behaviour
(Phys.org) —New research provides an insight into how groups of people tackle social dilemmas and effectively punish those engaging in anti-social behaviour.
Length of yellow caution traffic lights could prevent accidents: study
A couple of years ago, Hesham Rakha misjudged a yellow traffic light and entered an intersection just as the light turned red. A police officer handed him a ticket.
New forage plant prepares farmers for climate changes
Sorghum, or durra, is an important forage crop in many countries, for example the USA, Africa, China and Australia.
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 ...
The 'twilight zone' of traffic costs lives at stoplight intersections
(PhysOrg.com) -- Hundreds of lives are being lost each year in the United States because of mistakes made in what engineers call the "dilemma zone" that area before a stoplight intersection where the ...
Obama plan for spotted owl targets rival bird
(AP) -- To save the imperiled spotted owl, the Obama administration is moving forward with a controversial plan to shoot barred owls, a rival bird that has shoved its smaller cousin aside.
Predicting system crashes in nature and society
The world can deliver sudden and nasty shocks. Economies can crash, fisheries can collapse, and climates can pass tipping points. Providing early warning of such changes currently requires the collection of enormous and often ...