News tagged with evolutionary models

From dark hearts comes the kindness of mankind

The kindness of mankind most likely developed from our more sinister and self-serving tendencies, according to Princeton University and University of Arizona research that suggests society's rules against selfishness are ...

Jan 22, 2013
3 / 5 (5) 3 | with audio podcast

Scientists decode watermelon genome

Are juicier, sweeter, more disease-resistant watermelons on the way? An international consortium of more than 60 scientists from the United States, China, and Europe has published the genome sequence of watermelon (Citrullus la ...

Nov 26, 2012
5 / 5 (2) 0 | with audio podcast

Interacting mutations promote diversity

Genetic diversity arises through the interplay of mutation, selection and genetic drift. In most scientific models, mutants have a fitness value which remains constant throughout. Based on this value, they compete with other ...

Jun 28, 2012
5 / 5 (1) 0 | with audio podcast

Not all altruism is alike, says new study

(Phys.org) -- Not all acts of altruism are alike, says a new study. From bees and wasps that die defending their nests, to elephants that cooperate to care for young, a new mathematical model pinpoints the environmental conditions ...

Apr 30, 2012
4.5 / 5 (4) 1 | with audio podcast