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Evolution news
Evolution shapes new rules for ant behavior
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
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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New study provides insights into plant evolution
New research has uncovered a mechanism that regulates the reproduction of plants, providing a possible tool for engineering higher yielding crops.
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 ...
Phthalates: Study links chemicals widely found in plastics, processed food to elevated blood pressure in children, teens
Plastic additives known as phthalates (pronounced THAL-ates) are odorless, colorless and just about everywhere: They turn up in flooring, plastic cups, beach balls, plastic wrap, intravenous tubing and—according to the ...
New archaeological 'high definition' sourcing sharpens understanding of the past
A new method of sourcing the origins of artefacts in high definition is set to improve our understanding of the past.
If you can remember it, you can remember it wrong
(Medical Xpress)—Native peoples in regions where cameras are uncommon sometimes react with caution when their picture is taken. The fear that something must have been stolen from them to create the photo ...
Physicists develop revolutionary low-power polariton laser
(Phys.org) —Lasers are an unseen backbone of modern society. They're integral to technologies ranging from high-speed Internet services to Blu-ray players.
B vitamins could delay dementia
(Medical Xpress)—Despite spending billions of dollars on research and development, drug companies have been unable to come up with effective treatments for dementia and Alzheimer's Disease (AD). Now, A. ...
Comprehensive analysis of impact spherules supports theory of cosmic impact 12,800 years ago
About 12,800 years ago when the Earth was warming and emerging from the last ice age, a dramatic and anomalous event occurred that abruptly reversed climatic conditions back to near-glacial state. According ...
New method for producing clean hydrogen
Duke University engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental implications.
Bird's playlist could signal mental strengths and weaknesses
Having the biggest playlist doesn't make a male songbird the brainiest of the bunch, a new study shows.
Encouraging signs for bee biodiversity
Declines in the biodiversity of pollinating insects and wild plants have slowed in recent years, according to a new study. Researchers led by the University of Leeds and the Naturalis Biodiversity Centre in the Netherlands ...
Making quantum encryption practical
One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on ...
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.
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 ...
Soft matter offers new ways to study how ordered materials arrange themselves
A fried breakfast food popular in Spain provided the inspiration for the development of doughnut-shaped droplets that may provide scientists with a new approach for studying fundamental issues in physics, ...
Going green: Nation equipped to grow serious amounts of pond scum for fuel
(Phys.org) —A new analysis shows that the nation's land and water resources could likely support the growth of enough algae to produce up to 25 billion gallons of algae-based fuel a year in the United States, ...
New evidence suggests some birds gave up flight to become better swimmers
(Phys.org) —An international team of wildlife researchers has found evidence to support the theory that some birds, such as penguins, lost the ability to fly because of adaptations that allowed for better ...
Microsoft touts Xbox One as all-in-one entertainment (Update 4)
Microsoft thinks it has the one. The company unveiled the Xbox One, an entertainment console that wants to be the one system households will need for games, television, movies and other entertainment. It ...
Researchers build curved insect-sized artificial compound eye (w/ video)
(Phys.org) —A team of European researchers working at École polytechnique fédérale de Lausanne (EPFL) in Switzerland has created an artificial compound eye that is comparable to those in insects such ...
Minus environment, patterns still emerge: Computational study tracks E. coli cells' regulatory mechanisms
Environment is not the only factor in shaping regulatory patterns—and it might not even be the primary factor, according to a new Rice University study that looks at how cells' protein networks relate to ...
Bacterium uses natural 'thermometer' to trigger diarrheal disease, scientists find
How does the bacterium Shigella—the cause of a deadly diarrheal disease—detect that it's in a human host? Ohio University scientists have found that a biological "RNA thermometer" monitors whether the environment is rig ...
Reducing caloric intake delays nerve cell loss
Activating an enzyme known to play a role in the anti-aging benefits of calorie restriction delays the loss of brain cells and preserves cognitive function in mice, according to a study published in the May ...
Allosaurus fed more like a falcon than a crocodile, new study finds
The mighty T. rex may have thrashed its massive head from side to side to dismember prey, but a new study shows that its smaller cousin Allosaurus was a more dexterous hunter and tugged at prey more like a m ...
Study provides better understanding of water's freezing behavior at nanoscale
The results of a new study led by George Washington University Professor Tianshu Li provide direct computational evidence that nucleation of ice in small droplets is strongly size-dependent, an important conclusion ...
Green conversion of heat to electricity
Soon, it will be possible to produce electricity from heat over 30 degrees emitted from a waste incinerator, refinery, or data processor. The start-up Osmoblue has just confirmed the feasibility of this new ...
Making ice-cream more nutritious with meat left-overs
Food industries are now turning meat left-over into high-protein content ingredients for food supplements, or to be added to processed food. But a EU-wide regulation covering them is still lacking.
Keeping stem cells strong: Biologists show that an RNA molecule protects stem cells during inflammation
When infections occur in the body, stem cells in the blood often jump into action by multiplying and differentiating into mature immune cells that can fight off illness. But repeated infections and inflammation ...
Scientists uncover how grapefruits provide a secret weapon in medical drug delivery
(Phys.org) —Grapefruits have long been known for their health benefits, and the subtropical fruit may revolutionize how medical therapies like anti-cancer drugs are delivered to specific tumor cells. University ...
Single-cell transfection tool enables added control for biological studies
(Phys.org) —Northwestern University researchers have developed a new method for delivering molecules into single, targeted cells through temporary holes in the cell surface. The technique could find applications ...
Report heralds new $50 billion energy industry for Australia
A new energy sector based on algal biofuels could guarantee Australia's transport fuel and food security far into the future, a new report says.
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 ...
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.
Tailoring optical processors: Arranging nanoparticles in geometric patterns allows for control of light with light
Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of ...
Game system castAR debuts at Maker Faire
(Phys.org) —Two tech talents, formerly employees at video game publisher Valve, have been working on their own vision in the form of game-ready glasses. Their company, Technical Illusions, will seek to ...
Origins of human culture linked to rapid climate change
Rapid climate change during the Middle Stone Age, between 80,000 and 40,000 years ago, during the Middle Stone Age, sparked surges in cultural innovation in early modern human populations, according to new research.
Scientists present new insights on climate change and species interactions
(Phys.org) —UCLA life scientists provide important new details on how climate change will affect interactions between species in research published online May 21 in the Journal of Animal Ecology. This k ...
Northern hemisphere losing last dry snow region, says study
(Phys.org) —Last July, something unprecedented in the 34-year satellite record happened: 98 percent of the Greenland Ice Sheet's surface melted, compared to roughly 50 percent during an average summer. ...
Don't pin US tornado on climate change, UN panel head says
Pinning the deadly tornado in the US state of Oklahoma on climate change is wrongheaded, even though the world is set to see a rise in high-profile weather disasters due to global warming, the leader of a ...
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