Evolution shapes new rules for ant behavior
Last update Evolution shapes new rules for ant behavior, May 15, 2013
Evolution news
Untangling the tree of life
From ocean to land: The fishy origins of our hips
Productivity increases with species diversity: 150 years later, research proves Darwin prediction
Researchers find correlation between face shape and procreation rates and rank in male soldiers
Cannibal tadpoles key to understanding digestive evolution
3D simulation shows how form of complex organs evolves by natural selection
11.9 million-year-old fossil of great ape sheds light on evolution
Study reveals consequences of a lifetime of sexual competition
Cheating favors extinction
Biologists propose new research roadmap for connecting genes to ecology
Computer scientists suggest new spin on origins of evolvability
New research constructs ant family tree
New book explores relentless evolution in a constantly changing world
Study proposes alternative way to explain life's complexity
Not as evolved as we think: Adaptation neither stops nor makes value judgments, author says
The evolutionary consequences of infidelity: Can extra-pair relationships give rise to sexual dimorphism?
Which came first the head or the brain?
Organisation trumps size in primate brain evolution
Please Don't Eat the Daisies: The macroevolution of alternate plant defense strategies
Long-term evolution is 'surprisingly predictable,' experiment shows
Researchers show gene controlling coat color in mice mutated nine times, results shed new light on how evolution works
Genetic study of house dust mites demonstrates reversible evolution
The way we weren't: U of Minnesota biologist debunks myth that humans peaked in Paleolithic era
New study provides insights into plant evolution
Quantum dot LED approaches theoretical maximum efficiency
May 14, 2013
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Errors on Viking sun compass hint at alternative purpose
Apr 30, 2013
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Evolution and the ice age: Tracing the effects of climate change on prehistoric and future environments
Dr John Stewart has made important contributions to a growing body of work that shows how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back ...
'Stressed' bacteria become resistant to antibiotics
Bacteria become resistant to antibiotics when stressed, finds research published in BioMed Central's open access journal BMC Evolutionary Biology. In particular E. coli grown at high temperatures become resistant to rifampicin ...
How predictable is evolution?
Understanding how and why diversification occurs is important for understanding why there are so many species on Earth. In a new study published on 19 February in the open access journal PLOS Biology, researchers show that s ...
New species appear to arise from sudden changes
(Phys.org)—Folmer Bokma, researcher at Umeå University, explains that living species have a limited ability to adapt to the environment. His results suggest that species do not change gradually, as the modern evolutionary ...
Evolution helped turn hairless skin into a canvas for self-expression
(Phys.org)—Hairless skin first evolved in humans as a way to keep cool—and then turned into a canvas to help them look cool, according to a Penn State anthropologist.
Dire outlook despite global warming 'pause': study
A global warming "pause" over the past decade may invalidate the harshest climate change predictions for the next 50 to 100 years, a study said Sunday—though levels remain in the danger zone.
Heat-related deaths in Manhattan projected to rise
Residents of Manhattan will not just sweat harder from rising temperatures in the future, says a new study; many may die. Researchers say deaths linked to warming climate may rise some 20 percent by the 2020s, ...
Sea level influenced tropical climate during the last ice age
Scientists look at past climates to learn about climate change and the ability to simulate it with computer models. One region that has received a great deal of attention is the Indo-Pacific warm pool, the ...
RNA capable of catalyzing electron transfer on early earth with iron's help, study says
A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth. The study shows that RNA is capable of catalyzing electron transfer under ...
Kinks and curves at the nanoscale
One of the basic principles of nanotechnology is that when you make things extremely small—one nanometer is about five atoms wide, 100,000 times smaller than the diameter of a human hair—they are going ...
Computational tool translates complex data into simplified 2-dimensional images
In their quest to learn more about the variability of cells between and within tissues, biomedical scientists have devised tools capable of simultaneously measuring dozens of characteristics of individual ...
New theory on genesis of osteoarthritis comes with successful therapy in mice
Scientists at Johns Hopkins have turned their view of osteoarthritis (OA) inside out. Literally. Instead of seeing the painful degenerative disease as a problem primarily of the cartilage that cushions joints, ...
Honeybees trained in Croatia to find land mines
(AP)—Mirjana Filipovic is still haunted by the land mine blast that killed her boyfriend and blew off her left leg while on a fishing trip nearly a decade ago. It happened in a field that was supposedly ...
Mice, gerbils perish in Russia space flight
A number of mice and eight gerbils sent into space in a Russian capsule destined to find out how well organisms can withstand extended flights perished during their journey, scientists said Sunday as the ...
China 'will not accept' carbon tax on EU flights: report
China will not pay for CO2 emissions by its airlines on flights within Europe, a top civil aviation official reportedly said after the European Commission warned eight Chinese firms face fines for nonpayment.
Is there a Neanderthal in the house?
Bunions bothering you? How about lower back pain, or impacted wisdom teeth?
'The Scars of Human Evolution' briefing explores physical fallout from 2-footed walking
From sore feet to backaches, blame it on human evolution. "Because we are the only mammals to walk on two feet," says Bruce Latimer, an anthropologist from the Case Western Reserve University School of Dental Medicine.
Birds evolved ultraviolet vision several times, research finds
Ultraviolet vision evolved at least eight times in birds from a common violet sensitive ancestor finds a study published in BioMed Central's open access journal BMC Evolutionary Biology. All of these are due to single nucleo ...
Professor uses evolution, informatics to uncover secrets of the genome
What patterns exist in the evolutionary design of living things? What particular processes produced these patterns? And how might this information be used to untangle the complexities of health and disease, ...
CT scans help answer question of how fish lungs evolved
(Phys.org)—One of the great problems of evolution is to understand how the major features of organisms have changed over great swaths of time. How did limbs evolve from fins? How did bird feathers arise ...
Even adaptable viruses have trouble surviving erratic temperatures
(Phys.org)—Aside from rising sea levels, many climate change models predict that in the future, the planet's temperature and weather will become increasingly erratic with wild, unpredictable storms and ...
Aztec conquest altered genetics among early Mexico inhabitants, new DNA study shows
For centuries, the fate of the original Otomí inhabitants of Xaltocan, the capital of a pre-Aztec Mexican city-state, has remained unknown. Researchers have long wondered whether they assimilated with the ...
Researchers solve biological mystery and boost artificial intelligence
By simulating 25,000 generations of evolution within computers, Cornell University engineering and robotics researchers have discovered why biological networks tend to be organized as modules – a finding that will lead ...
Bold action, big money needed to curb Asia floods
Asia's flood-prone megacities should fund major drainage, water recycling and waste reduction projects to stem deluges and secure clean supply for their booming populations, experts said Sunday.
Yahoo! to buy blog-maker Tumblr for $1.1 billion: report
The board of Yahoo! has agreed to a deal to purchase the popular blogging platform Tumblr for $1.1 billion, the Wall Street Journal reported Sunday.
Researchers identify a potential new risk for sleep apnea: Asthma
Researchers at the University of Wisconsin have identified a potential new risk factor for obstructive sleep apnea: asthma. Using data from the National Institutes of Health (Heart, Lung, and Blood Institute)-funded Wisconsin ...
Study finds that sleep apnea and Alzheimer's are linked
A new study looking at sleep-disordered breathing (SDB) and markers for Alzheimer's disease (AD) risk in cerebrospinal fluid (CSF) and neuroimaging adds to the growing body of research linking the two.
Ginger compounds may be effective in treating asthma symptoms
Gourmands and foodies everywhere have long recognized ginger as a great way to add a little peppery zing to both sweet and savory dishes; now, a study from researchers at Columbia University shows purified components of the ...
German energy shift faces headwinds
Tense engineers have their eyes peeled on complex colour-coded diagrams on a wall-sized screen that makes their control room look like the inside of a spaceship.
Internet in 'coma' as Iran election looms
Iran is tightening control of the Internet ahead of next month's presidential election, mindful of violent street protests that social networkers inspired last time around over claims of fraud, users and ...
Alzheimer's leaves bilingual victims stranded in Canada
The devastating effect of Alzheimer's disease on bilingual people has been thrown into focus in Canada, where the sudden loss of a second language can leave sufferers feeling like strangers in their own country.
'Gap' for HIV vaccine efforts after latest setback
The hunt for an HIV vaccine has gobbled up $8 billion in the past decade, and the failure of the most recent efficacy trial has delivered yet another setback to 26 years of efforts.
China police billions spell profit opportunity
Mannequins in riot gear, armoured cars and drones line a police equipment and "anti-terrorism technology" trade fair in Beijing as vendors seek to profit from China's huge internal security budget.
Ketamine shows significant therapeutic benefit in people with treatment-resistant depression
Patients with treatment-resistant major depression saw dramatic improvement in their illness after treatment with ketamine, an anesthetic, according to the largest ketamine clinical trial to-date led by researchers from the ...
Consuming coffee linked to lower risk of detrimental liver disease, study finds
Regular consumption of coffee is associated with a reduced risk of primary sclerosing cholangitis (PSC), an autoimmune liver disease, Mayo Clinic research shows. The findings were being presented at the Digestive Disease ...
Research examines new methods for managing digestive health
Research presented at Digestive Disease Week (DDW) explores new methods for managing digestive health through diet and lifestyle.
Study reveals scientific consensus on anthropogenic climate change
A comprehensive analysis of peer-reviewed articles on the topic of global warming and climate change has revealed an overwhelming consensus among scientists that recent warming is human-caused.
Researchers suggest Victorian-era people more intelligent than modern-day counterparts
(Phys.org) —In a new study, a European research team suggests that the average intelligence level of Victorian-era people was higher than that of modern-day people. They base their controversial assertion ...
New principle may help explain why nature is quantum
Like small children, scientists are always asking the question 'why?'. One question they've yet to answer is why nature picked quantum physics, in all its weird glory, as a sensible way to behave. Researchers ...
Survival of the prettiest: Sexual selection can be inferred from the fossil record
Detecting sexual selection in the fossil record is not impossible, according to scientists writing in Trends in Ecology and Evolution this month, co-authored by Dr Darren Naish of the University of Southa ...
Flies of the world embrace vegetarianism
(Phys.org)—Microbe-eating flies from at least three different locations around the world recently have evolved into herbivores, feeding on some of the most toxic plants on Earth. Fly detectives and UA evolutionary ...
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 ...
Golden algae: They hunt, they kill, they cheat
(Phys.org)—Cheating is a behavior not limited to humans, animals and plants. Even microscopically small, single-celled algae do it, a team of UA researchers has discovered.
New study sheds light on the origin of the European Jewish population
Despite being one of the most genetically analysed groups, the origin of European Jews has remained obscure. However, a new study published online today in the journal Genome Biology and Evolution by Dr Eran Elhaik, a gene ...
Kepler spacecraft's planet-hunting days may be numbered (Update)
NASA's planet-hunting Kepler telescope is broken, potentially jeopardizing the search for other worlds where life could exist outside our solar system.
Fracking risks to ground water assessed
(Phys.org) —Extraction of "unconventional" gas from sedimentary rocks such as shale could provide a clean energy source and help some regions to become energy independent, but concerns have been raised ...
Map of hateful tweets shows hotspots are mostly in eastern half of U.S.
Tweets containing hateful words are coming in larger proportions from people living in the eastern half of the United States, according to a new map that tracked hate speech on Twitter.
Meta glasses to place virtual reality worlds at fingertips (w/ Video)
(Phys.org) —Yawn. Two startup visionaries claim they have just the device to replace keyboard and mouse forever and ever. Where have you heard that before. But maybe these two have something important. ...
US seizes Bitcoin operator accounts
US authorities seized the accounts of a Bitcoin digital currency exchange operator, claiming it was functioning as an "unlicensed money service business," court documents showed Friday.
Orion's hidden fiery ribbon
(Phys.org) —This dramatic new image of cosmic clouds in the constellation of Orion reveals what seems to be a fiery ribbon in the sky. This orange glow represents faint light coming from grains of cold ...
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