Evolution news
When did the feather take flight?
(PhysOrg.com) -- Some 125 million years ago--more recently than once thought possible -- the molecular structure of the modern feather began to take form, according to molecular dating research by scientists ...
Feb 07, 2012 |
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Behavior of parent organisms may influence genes passed on to next generation
Timing is everything, and if there was ever a scientist whose legacy was tarnished by bad timing, it was Jean Baptiste Lamarck. The French naturalist lived from 1744 to 1829 - and published his own evolutionary theory decades ...
Feb 07, 2012 |
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Dry conditions spurred advanced photosynthesis
The need to conserve water played a vital role in driving plants to evolve a specialised form of photosynthesis, scientists have shown.
Feb 03, 2012 |
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UCI biologists turn up the heat on bacteria, discover mutation pattern
UCI biologists who spent a year growing 115 populations into 2,000 generations of E. coli at high heat discovered that the bacteria quickly adapted at the genetic level in two markedly different ways. The findings appear ...
Feb 03, 2012 |
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Mouse to elephant? Just wait 24 million generations
Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.
Jan 30, 2012 |
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Examining evolution from a cellular perspective
The evolutionary processes of unicellular and multicellular organisms are continually under debate. John Torday, Ph.D., a lead investigator at Los Angeles Biomedical Research Institute (LA BioMed), has recently co-authored ...
Jan 25, 2012 |
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Lessons in coral reef survival from deep time
Lessons from tens of millions of years ago are pointing to new ways to save and protect today's coral reefs and their myriad of beautiful and many-hued fishes at a time of huge change in the Earth's systems.
Jan 23, 2012 |
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Advantages of living in the dark: The multiple evolution events of 'blind' cavefish
The blind Mexican cavefish (Astyanax mexicanus) have not only lost their sight but have adapted to perpetual darkness by also losing their pigment (albinism) and having altered sleep patterns. New research publis ...
Jan 22, 2012 |
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Planet of the Apes: Survival of the self-promoters
We humans can be a cocky species - so much so that a realistic self-image can be seen as a symptom of trouble.
Jan 17, 2012 |
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Breakthrough model reveals evolution of ancient nervous systems through seashell colors
Determining the evolution of pigmentation patterns on mollusk seashells—which could aid in the understanding of ancient nervous systems—has proved to be a challenging feat for researchers. Now, however, through ...
Jan 12, 2012 |
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Evolution is written all over your face
Why are the faces of primates so dramatically different from one another?
Jan 11, 2012 |
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Over 65 million years North American mammal evolution has tracked with climate change
Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led ...
Dec 26, 2011 |
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Study of fish fossil shows that 'head-first' diversity drives vertebrate evolution
The history of evolution is periodically marked by explosions in biodiversity, as groups of species try out a wide range of shapes and sizes. With a new analysis of two such adaptive radiations in the fossil ...
Dec 20, 2011 |
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Evolution at warp speed: Hatcheries change salmon genetics after a single generation
The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to thrive ...
Dec 19, 2011 |
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High-energy lifestyles led to evolution of the sexes
Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Dec 19, 2011 |
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Engineers build first sub-10-nm carbon nanotube transistor
Feb 01, 2012 |
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Something old, something new: Evolution and the structural divergence of duplicate genes
Jan 31, 2012 |
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The hidden nanoworld of ice crystals: Revealing the dynamic behavior of quasi-liquid layers
Jan 30, 2012 |
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Stock market network reveals investor clustering
Jan 27, 2012 |
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Of microchemistry and molecules: Electronic microfluidic device synthesizes biocompatible probes
Jan 26, 2012 |
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More News
U.K. duo suggest early humans retained fine hair to ward off parasites
(PhysOrg.com) -- Evolutionary biologists have long been puzzled by the question of why human beings have retained body hair. Most agree that changes to the fur that our ancestors sported came about as a means ...
Researchers closer to understanding the evolution of sound production in fish
An international team of researchers studying sound production in perch-like fishes has discovered a link between two unrelated lineages of fishes, taking researchers a step closer to understanding the evolution of one of ...
New model suggests early humans lost fur after developing bipedalism
(PhysOrg.com) -- Two of the most basic questions in the study of human evolution revolve around why early people started walking around on two feet instead of four and why they lost their fur, especially in ...
Creating the Tree of Life
(PhysOrg.com) -- Imagine the wealth of information that would be at our fingertips if we could understand the genetic basis and evolutionary history that underlies the vast diversity in form and function seen within mammals.
Endangered orangutans offer a new evolutionary model for early humans
Starving orangutans in Borneo may be teaching us new lessons about human evolution.
Other News
Study shows species can change
A study of South American songbirds completed by the Department of Biology at Queen's University and the Argentine Museum of Natural History, has discovered these birds differ dramatically in colour and song yet show very ...
Molecular barcodes -- identification of 16 new species of Caenorhabditis
Caenorhabditis are usually thought of as soil nematodes, happily living in compost heaps. The famous (scientifically speaking) Caenorhabditis elegans has provided a wealth of information about developmental processes and ce ...
Experiment gives insight into how species maintain diversity
(PhysOrg.com) -- One of the big problems evolutionary biologists have to wrangle with is in trying to explain why members of an individual species aren’t more alike. If say, high testosterone in males makes them more ...
Evolution during human colonizations
Most human populations are the product of a series of range expansions having occurred since modern humans left Africa some 50,000 years ago to colonize the rest of the world, but how have these processes influenced today's ...
Mapping mollusks: Researchers use genetic tools to complete family tree
What do a typical garden snail and an octopus have in common, besides the occasional appearance on the plates of adventurous diners? More than you may realize. Both are mollusks, a group of animals that includes ...
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