News tagged with evolution model

Mother knows best, among wild vervet monkeys

Among vervet monkeys, social learning is strongly influenced by matrilineal family members, according to a study published Apr. 25 in the open access journal PLoS ONE.

Biology / Plants & Animals

created Apr 25, 2012 | popularity not rated yet | comments 0

Shedding light on southpaws: Sports data help confirm theory explaining left-handed minority in general population

Lefties have always been a bit of a puzzle. Representing only 10 percent of the general human population, left-handers have been viewed with suspicion and persecuted across history. The word "sinister" even derives from "left ...

Other Sciences / Social Sciences

created Apr 25, 2012 | popularity 5 / 5 (2) | comments 1

Archeologists investigate Ice Age hominins' adaptability to climate change

Computational modeling that examines evidence of how hominin groups evolved culturally and biologically in response to climate change during the last Ice Age also bears new insights into the extinction of ...

Other Sciences / Archaeology & Fossils

created Nov 17, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Palms as a model for rainforest evolution

(PhysOrg.com) -- The first complete genus-level dated phylogeny of palms reveals insights into the evolution of rainforests.

Biology / Plants & Animals

created Nov 08, 2011 | popularity 5 / 5 (1) | comments 0

Cosmic weight watching reveals black hole-galaxy history

(PhysOrg.com) -- Using state-of-the-art technology and sophisticated data analysis tools, a team of astronomers from the Max Planck Institute for Astronomy has developed a new and powerful technique to directly ...

Space & Earth / Astronomy

created Sep 30, 2011 | popularity 4.7 / 5 (7) | comments 8 | with audio podcast

Mutations: When benefits level off

Beneficial mutations within a bacterial population accumulate during evolution, but performance tends to reach a plateau. Consequently, theoretical evolutionary models need to take into account a "braking effect" in expected ...

Biology / Evolution

created Jun 08, 2011 | popularity not rated yet | comments 7

Study shows evolutionary adaptations can be reversed, but rarely

(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.

Biology / Evolution

created May 11, 2011 | popularity 5 / 5 (4) | comments 18 | with audio podcast

Rock-paper-scissors tournaments explain ecological diversity

According to classical ecology, when two species compete for the same resource, eventually the more successful species will win out while the other will go extinct. But that rule cannot explain systems such as the Amazon, ...

Biology / Evolution

created Mar 14, 2011 | popularity 4.8 / 5 (6) | comments 11 | with audio podcast

Archaeologists model past and future landscapes

Archaeology is a vital tool in understanding the long-term consequences of human impact on the environment. Computational modeling can refine that understanding. But according to Arizona State University archaeologist C. ...

Other Sciences / Archaeology & Fossils

created Feb 20, 2011 | popularity 5 / 5 (2) | comments 0

New mathematics research proves there's plenty of time for evolution

(PhysOrg.com) -- A new mathematical model developed by researchers at the University of Pennsylvania has offered even more evidence of the correctness of evolutionary theory.

Other Sciences / Mathematics

created Dec 14, 2010 | popularity 4.7 / 5 (49) | comments 166 | with audio podcast

Genomic fault zones come and go

The fragile regions in mammalian genomes that are thought to play a key role in evolution go through a "birth and death" process, according to new bioinformatics research performed at the University of California, ...

Biology / Biotechnology

created Nov 30, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Model explains rapid transition toward division of labor in biological evolution

The transition from colonies of individual cells to multicellular organisms can be achieved relatively rapidly, within one million generations, according to a new mathematical model, published June 10 in the open-access journal ...

Biology / Evolution

created Jun 10, 2010 | popularity 5 / 5 (4) | comments 45 | with audio podcast

Game theoretic machine learning methods can help explain long periods of conflict

Researchers at the Santa Fe Institute have developed new machine learning methods to study conflict. Their work appears in PLOS Computational Biology on May 13.

Other Sciences / Mathematics

created May 13, 2010 | popularity 4 / 5 (3) | comments 1

The small insect with a big heart: the 'giving' aphids endangered by their selflessness

One of the founding principles of Darwin's theory is that biological evolution has been shaped by the survival of the fittest. Things, however, are not always that simple as researchers from Royal Holloway, ...

Biology / Plants & Animals

created Feb 03, 2010 | popularity 4.5 / 5 (10) | comments 0 | with audio podcast

Researchers of microraptor shed light on ancient origin of bird flight

A joint team from the University of Kansas and Northeastern University in China says that it has settled the long-standing question of how bird flight began.

Other Sciences / Archaeology & Fossils

created Jan 25, 2010 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast