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How does miR-21 promote the differentiation of hair follicle-derived NCSCs into SCs?How does miR-21 promote the differentiation of hair follicle-derived NCSCs into SCs?

International science team solve biological mysteryInternational science team solve biological mystery

NASA-funded mission to study the sun's energyNASA-funded mission to study the sun's energy

Getting a grip on robotic graspGetting a grip on robotic grasp

Odor communication in wild gorillasOdor communication in wild gorillas

Postcards from the photosynthetic edgePostcards from the photosynthetic edge

Is the universe a bubble? Let's checkIs the universe a bubble? Let's check

Mutation stops worms from getting drunkMutation stops worms from getting drunk

Who are responsible for protecting against neuron and synapse injury in immature rats?Who are responsible for protecting against neuron and synapse injury in immature rats?

Meet the gomphothere: UA archaeologist involved in discovery of bones of elephant ancestorMeet the gomphothere: UA archaeologist involved in discovery of bones of elephant ancestor

The bend in the Appalachian mountain chain is finally explainedThe bend in the Appalachian mountain chain is finally explained

Sophisticated radiation detector designed for broad public useSophisticated radiation detector designed for broad public use

'Tailored' water -- the latest in lawn care'Tailored' water -- the latest in lawn care

Protein's 'hands' enable bacteria to establish infection, research findsProtein's 'hands' enable bacteria to establish infection, research finds

Study advances limits for ultrafast nano-devicesStudy advances limits for ultrafast nano-devices

Cooperation among humans, a question of ageCooperation among humans, a question of age

Less exercise, not more calories, responsible for expanding waistlinesLess exercise, not more calories, responsible for expanding waistlines

70-foot-long, 52-ton concrete bridge survives series of simulated earthquakes70-foot-long, 52-ton concrete bridge survives series of simulated earthquakes

High earners in a stock market game have brain patterns that can predict market bubblesHigh earners in a stock market game have brain patterns that can predict market bubbles

3D printer to aid the visually impaired students in their educational endeavors3D printer to aid the visually impaired students in their educational endeavors

Platonic solids generate their 4-dimensional analoguesPlatonic solids generate their 4-dimensional analogues

A healthy lifestyle adds years to lifeA healthy lifestyle adds years to life

Study of animal urination could lead to better-engineered productsStudy of animal urination could lead to better-engineered products

All the world's oceans have plastic debris on their surfaceAll the world's oceans have plastic debris on their surface

Do probiotics help kids with stomach bugs?Do probiotics help kids with stomach bugs?

Long jumpers do better with a spring in their stepLong jumpers do better with a spring in their step

Strict diet suspends development, doubles lifespan of wormsStrict diet suspends development, doubles lifespan of worms

Identified for the first time what kind of explosive has been used after the detonationIdentified for the first time what kind of explosive has been used after the detonation

Copied from nature: Detecting software errors via genetic algorithmsCopied from nature: Detecting software errors via genetic algorithms

Genetic Archaeology Research & News

Genome-wide analysis reveals genetic similarities among friends (7/23/2014)

If you consider your friends family, you may be on to something. A study from the University of California, San Diego, and Yale University finds that friends who are not biologically related still resemble each other genetically. ...> Full Article


A-maize-ing double life of a genome (7/22/2014)

Early maize farmers selected for genes that improved the harvesting of sunlight, a new detailed study of how plants use 'doubles' of their genomes reveals. The findings could help current efforts to improve existing crop varieties. ...> Full Article


Dodos and spotted green pigeons are descendants of an island hopping bird (7/20/2014)

The mysterious spotted green pigeon was a relative of the dodo, according to scientists who have examined its genetic make-up. The authors say their results, published in the open access journal BMC Evolutionary Biology, support a theory that both birds are descended from 'island hopping' ancestors. ...> Full Article


Organismal biologists needed to interpret new trees of life (7/19/2014)

Molecular information forces the revision of many ideas about the evolution of animal body plans, but providing persuasive explanations for events that occurred in the remote past is likely to remain a major challenge. To construct evolutionary hypotheses that integrate the new data with science more generally, organismal biologists need to use their imaginations. But they should also be disciplined about assessing the broadest possible range of evidence, to avoid being misled by faulty intuitions. ...> Full Article


Biologists link sexual selection and placenta formation (7/18/2014)

Biologists link sexual selection and placenta formationSexual selection enhances opportunities to mate, the tail of male peacocks being an iconic example. Biologists at the University of California, Riverside have found that sexual selection and 'placentation' -- the formation of a placenta -- are linked. Describing the life histories of more than 150 species of fish in the family Poeciliidae, the researchers found that species with placentas tend to have males that do not have bright coloration, ornamentation or courtship displays. ...> Full Article


Transgender algae reveal evolutionary origin of sexes (7/17/2014)

Transgender algae reveal evolutionary origin of sexesThroughout evolution, living things have repeatedly developed physically distinct sexes, but how does this actually happen? A discovery in the multicellular green alga, Volvox carteri, has revealed the genetic origin of male and female sexes, showing how they evolved from a more primitive mating system in a single-celled relative. A team of scientists led by James Umen, Ph.D., identified the master regulatory gene for sex determination in Volvox. ...> Full Article


DNA of 'Evolution Canyon' fruit flies reveals drivers of evolutionary change (7/16/2014)

DNA of 'Evolution Canyon' fruit flies reveals drivers of evolutionary changeAn international team of researchers led by scientists with the Virginia Bioinformatics Institute at Virginia Tech has peered into the DNA of fruit flies that live hardly a puddle jump apart in a natural environment known as 'Evolution Canyon' in Mount Carmel, Israel, discovering how these animals have been able to adapt and survive in such close, but extremely different, environments. ...> Full Article


Hair from mummy's clothes provides insights into red deer lineage (7/15/2014)

Genetic analysis of Neolithic deer hair from Italian Alps mummy's clothes ties deer population to modern day western European lineage, in contrast to the eastern lineage found in the Italian alps today. ...> Full Article


Extinct human cousin gave Tibetans advantage at high elevation (7/14/2014)

Extinct human cousin gave Tibetans advantage at high elevationSeveral thousand years ago, the common ancestors of Han Chinese and Tibetans moved onto the Tibetan plateau, a low-oxygen environment that probably proved fatal to many because of early heart disease and high infant mortality. But a specific variant of a gene for hemoglobin regulation, picked up from earlier interbreeding with a mysterious human-like species, Denisovans, gradually spread through the Tibetan population, allowing them to live longer and healthier and avoid cardiovascular problems. ...> Full Article


Genetic study reveals vulnerability of northwest dolphins (7/13/2014)

A new study estimating population genetic structure of little-known dolphins inhabiting Western Australia's north coast highlights vulnerability. ...> Full Article


Scientists chart a baby boom -- in southwestern Native-Americans from 500 to 1300 A.D. (7/12/2014)

Scientists chart a baby boom -- in southwestern Native-Americans from 500 to 1300 A.D.Scientists have sketched out one of the greatest baby booms in North American history, a centuries-long ;growth blip; among southwestern Native-Americans between 500 and 1300 A.D. ...> Full Article


In human evolution, changes in skin's barrier set Northern Europeans apart (7/11/2014)

The popular idea that Northern Europeans developed light skin to absorb more UV light so they could make more vitamin D -- vital for healthy bones and immune function -- is questioned by UC San Francisco researchers in a new study published online in the journal Evolutionary Biology. ...> Full Article


Researchers chart an ancient baby boom (7/10/2014)

Researchers chart an ancient baby boomWashington State University researchers have sketched out one of the greatest baby booms in North American history, a centuries-long 'growth blip' among southwestern Native Americans between 500 to 1300 A.D. It was a time when the early features of civilization -- including farming and food storage -- had matured to where birth rates likely 'exceeded the highest in the world today,' the researchers write in the Proceedings of the National Academy of Sciences. ...> Full Article


Did Neanderthals eat their vegetables? (7/9/2014)

Scientists from MIT and the University of La Laguna in Spain have identified human fecal remains from El Salt, a known site of Neanderthal occupation in southern Spain that dates back 50,000 years. The researchers analyzed each sample for metabolized versions of animal-derived cholesterol, as well as phytosterol, a cholesterol-like compound found in plants. While all samples contained signs of meat consumption, two samples showed traces of plants -- the first direct evidence that Neanderthals may have enjoyed an omnivorous diet. ...> Full Article


Scientist and collaborators revise timeline of human origins (7/8/2014)

Scientist and collaborators revise timeline of human originsMany traits unique to humans were long thought to have originated in the genus Homo between 2.4 and 1.8 million years ago in Africa. Although scientists have recognized these characteristics for decades, they are reconsidering the true evolutionary factors that drove them. ...> Full Article

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New Articles
Genome-wide analysis reveals genetic similarities among friends

A-maize-ing double life of a genome

Dodos and spotted green pigeons are descendants of an island hopping bird

Organismal biologists needed to interpret new trees of life

Biologists link sexual selection and placenta formationBiologists link sexual selection and placenta formation

Transgender algae reveal evolutionary origin of sexesTransgender algae reveal evolutionary origin of sexes

DNA of 'Evolution Canyon' fruit flies reveals drivers of evolutionary changeDNA of 'Evolution Canyon' fruit flies reveals drivers of evolutionary change

Hair from mummy's clothes provides insights into red deer lineage

Extinct human cousin gave Tibetans advantage at high elevationExtinct human cousin gave Tibetans advantage at high elevation

Genetic study reveals vulnerability of northwest dolphins

Scientists chart a baby boom -- in southwestern Native-Americans from 500 to 1300 A.D.Scientists chart a baby boom -- in southwestern Native-Americans from 500 to 1300 A.D.

In human evolution, changes in skin's barrier set Northern Europeans apart

Researchers chart an ancient baby boomResearchers chart an ancient baby boom

Did Neanderthals eat their vegetables?

Scientist and collaborators revise timeline of human originsScientist and collaborators revise timeline of human origins



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