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ancestors in Medical News

Human Ancestors Put Best Foot Forward 1.5M Years Ago

Fossils thought to be oldest evidence to date of an essentially modern foot THURSDAY, Feb. 26 (HealthDay News) -- Anthropologists have uncovered a trail of ancient footprints in northern Kenya believed to represent the oldest evidence to date of an essentially modern, human-like foot. ...

Ancient Ancestors Might Have Had a Clue to HIV

Scientist believe that humans distant ancestors won the battle against the now extinct virus 4 million years ago but it left the human species vulnerable to HIV today. AIDs one of the most dangerous diseases of the present century and one of the most researched one still leaves many questions una...

Our Ancestors Possessed Much Smaller Brains Than It was Thought

An ancient ancestor of ours was mentally less advanced than expected about 29 millions years ago, a new study by a Duke University primatologist has revealed. Elwyn Simons identified the second and the most intact cranium found till date of the Aegyptopithecus zeuxis and subjected it to mi...

Our Medieval Ancestors Were More or Less Similar to Us Than Previously Thought

Englishmen during the time of Chaucer were not dwarfs but only short by two inches compared to todays average height, and same was the case with women more or less, a new study by researchers from the Bristol Royal Infirmary has revealed. As part of their study, scientists researched 3000 ...

Strong Evidence Suggests Incidence Of Mating Of Ancestors With Neanderthals

A recent scientific study conducted at the Howard Hughes Medical Institute and the University of Chicago led by Bruce T. //Lahn suggests that human evolution may not be all about unprompted mutations that occurred on the spur of a moment but because of interbreeding with related species on the verg...

Holiday giving linked to altruistic nature of our ancestors

Researchers found that altruistic nature where high in our ancestors, they gave more gifts to the families who had less food and also had the habit of exchanging gifts and foods between// them which were the basis for origin of holiday giving. Michael Gurven, University of California said, "Recipro...

Five Hypertension Genes Found in Black Americans

... have high blood pressure. One part of the research effort was a similar genetic analysis done on 980 people from West Africa, the home area of the ancestors of most black Americans. That study confirmed that some of the genetic variants seen in black Americans are also found in West African people, the rep...

Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates

...ome changes are consistent with an evolutionary quirk known as paedomorphosis, in which species retain in adulthood the youthful dimensions that their ancestors had as juveniles. "Paedomorphosis is definitely there the descendents of some groups are retaining the proportions that their juveniles had in the pa...

Music Had Charms to Soothe Prehistoric Man

... Flute find suggests early ancestors more culturally sophisticated than thought WEDNESDAY, June 24 (...tions." In the big picture, the flute find gives greater insights in the ancestors of humans, Laitman said. "You're looking at a fully modern cousin of our...

21st Century Obesity Pandemic Still Suffering From Effects of Tuberculosis Plague of the 1800s

...d-in-hand with the large calorie stores intrinsic to modern obesity is a vestige of another era, Dr. Roth said. "What was very beneficial for our ancestors is detrimental to us today. This harmful response is magnified by the ready availability of food. This abundance of food leads to an even greater pro-...

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ancestors in Medical Technology

Scientists Discover Origin of Malaria

... malaria parasite, Plasmodium falciparum , most scientists assumed incorrectly that these parasites had co-existed separately in human and chimpanzee ancestors for the last 5 million years. The newly discovered parasites not only demonstrate how malaria originated, but represent potentially powerful t...

Ancestry.com DNA Testing Reveals 'Roots' Author's Scottish Ancestry

...test results can help introduce living cousins, help you prove your genetic relation to a specific individual and trace the migration patterns ancient ancestors followed as they left Africa. Ancestry.com's 33-marker paternal DNA test is available for $79. For more information about Ancestry.com's DNA testing k...
ancestors in Biological News

Fish on the menu of our ancestors

This release is available in German . The isotopic analysis of a bone from one of the earliest modern humans in Asia, the 40,000 year old skeleton from Tianyuan Cave in the Zhoukoudian region of China (near Beijing), by an international team of researchers from the Max Planck Institute fo...

Two from one: Pitt research maps out evolution of genders from hermaphroditic ancestors

PITTSBURGHResearch from the University of Pittsburgh published in the Nov. 20 edition of Heredity could finally provide evidence of the first stages of the evolution of separate sexes, a theory that holds that males and females developed from hermaphroditic ancestors. These early stages are not ...

New study shows shallow water corals evolved from deep sea ancestors

New research shows that the second most diverse group of hard corals first evolved in the deep sea, and not in shallow waters. Stylasterids, or lace corals, diversified in deep waters before launching at least three successful invasions of shallow water tropical habitats in the past 40 million yea...

Genome of marine organism tells of humans' unicellular ancestors

Berkeley -- The newly sequenced genome of a one-celled, planktonic marine organism, reported today (Thursday, Feb. 14) in the journal Nature, is already telling scientists about the evolutionary changes that accompanied the jump from one-celled life forms to multicellular animals like ourselves. ...

Man's earliest direct ancestors looked more apelike than previously believed

Modern man"s earliest known close ancestor was significantly more apelike than previously believed, a New York University College of Dentistry professor has found. A computer-generated reconstruction by Dr. Timothy Bromage, a paleoanthropologist and Adjunct Professor of Biomaterials and of Basi...

Protowings may have helped bird ancestors cover rough terrain

Biologists have long argued about how birds evolved the ability to fly, because it is not immediately evident what improvement in fitness would result from ancestral, partly evolved wings. Two theories have recently dominated the debate: one postulates that flight evolved in tree-dwelling ancestors...

New technology shows our ancestors ate…everything!

Using a powerful microscope and computer software, a team of scientists from Johns Hopkins, the University of Arkansas, Worcester Polytechnic Institute and elsewhere has developed a faster and more objective way to examine the surfaces of fossilized teeth, a practice used to figure out the diets of...

Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans

The ancestors of chimpanzees and gorillas were infected with a deadly retrovirus about three to four million years ago, but there is no evidence it infected ancestors of modern-day humans, according to research by genome scientists. The virus struck after humans had split off the evolutionary tree ...

Bizarre walking bat has ancient heritage

...ammals and pressure from terrestrial predators does not deter modern vampire bats from walking. Likewise, the rich rainforest environment in which the ancestors of the mystacinid bats evolved in ancient Australia was teeming with ground-based competitors and predators." A small secretive creature with velvet...

Life on Earth came from other planets

... established, peer reviewed scientific evidence, which explains the origins of Earthly life. Life on Earth, came from other planets. Our ancient ancestors journeyed here from the stars. ...

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ancestors in Biological Technology

Axial Biotech Enters Partnership with the University of Utah to Utilize the Utah Population Database to Develop Personalized Diagnostic Tests for Spine Disorders

...vere scoliosis and the first molecular diagnostic for a spine disorder. GenDB contains multi-generational genealogical records of more than 30 million ancestors and descendants of the original Utah pioneers. The database and software allow for a retrievable format for assembling family pedigrees. GenDB has dra...

Sorenson Molecular Genealogy Foundation to Protect Archived DNA Using Biomatrica's Room Temperature Storage

... largest repository of correlated genetic and genealogical information. The SMGF database currently contains information about more than seven million ancestors through linked DNA samples and pedigree charts from more than 170 countries, or approximately 90 percent of the nations of the world. The foundation's...

DNA Diagnostics Center Offers Father's Day DNA Testing

... can answer the question, "Where did my dad's ancestors begin?" DNA can trace male lineage back tens ...years, and any man can find out where his paternal ancestors started--was it the foothills of the Himalayas, or...ise." Mr. Hanigan found that his paternal ancestors are from the Western European region--probably Ire...

DNA duplication: A mechanism for 'survival of the fittest'

...an make the organism better adapted to the new climate. In previous research, Yves Van de Peer had discovered very old genome duplications in early ancestors of vertebrates and fish. At that time, he showed that these duplications were probably crucial for the development of vertebrates and thus of human be...

Researchers underscore limitations of genetic ancestry tests

... Bolnick and her co-authors include: Most tests trace only a few of your ancestors and a small portion of your DNA, Tests are unlikely to identify all of...n DNA and racial/ethnic identity, Tests cannot determine exactly where ancestors lived or what ethnic identity they held. Consumers often have deeply p...

How Wisconsin Can Maintain Its Lead in Stem Cell Research

... MADISON South Korea is a nation deeply imbued with Confucian values, such as the belief that human bodies are inherited from ancestors and should never be tampered with. So there was understandable culture clash in Seoul last week when South Korean researchers announced they had becom...

Debate over `intelligent design' is a not-so-wise diversion from science education

..., the Earth's fossil records tell a consistent scientific story through the ages: Today's living species descended -- with modification -- from common ancestors that lived in our ancient past. Creationists don't buy that. They accept the Genesis account of God's handiwork in its most literal sense, complete...

SNPs Powerful Tools for Association Studies

...eatly, in part dependent upon how long ago the mutation occurred in the population. Allele frequencies also vary among populations that have different ancestors and histories. For example, there are cases where the minor allele in the African-American population is the major allele in the Caucasian population,...
ancestors in Biological Definition

Cladistics

...ennig, cladists argue that paraphyly are as harmful as polyphyly. The idea is that monophyletic groups can be defined objectively, in terms of common ancestors or the presence of synapomorphies. In contrast, paraphyletic and polyphyletic groups are both defined based on key characters, and the decision of wh...

Diabetes mellitus

...on that causes maturity onset diabetes of the young (MODY). There is an even stronger inheritance pattern for Type 2 diabetes; those with type 2 ancestors or relatives have very much higher chances of developing Type 2. It is also often connected to obesity, which is found in approximately 85% of (North ...

Evolution

..., it greatly fell out of favor with public and scientific opinion (though it was never universally accepted by either). The notion that humans share ancestors with other animals has also affected how some people view the relationship between humans and other species. Many proponents of animal rights hold t...

Human

... pink in different people. In general, people with ancestors from sunny regions have darker skin than people with ancestors from regions with less sunlight . However, this i...omplicated by the fact that there are people whose ancestors come from both sunny and less sunny regions; and t...

Lynn Margulis

...n , Yale University Press, ISBN 0300033400 Margulis, Lynn and Dorion Sagan, 1987, Microcosmos: Four Billion Years of Evolution from Our Microbial ancestors , HarperCollins, ISBN 004570015X Margulis, Lynn and Dorion Sagan, 1991, Mystery Dance: On the Evolution of Human Sexuality , Summit Books, ISBN ...

Mitochondrion

...symbiotic theory — that mitochondria originated as prokaryotic endosymbionts . Essentially this widely accepted hypothesis postulates that the ancestors of modern mitochondria were independent bacteria that colonized the interior of the ancient precursor of all eukaryotic life. External links ...

Mitochondrion

...symbiotic theory — that mitochondria originated as prokaryotic endosymbionts . Essentially this widely accepted hypothesis postulates that the ancestors of modern mitochondria were independent bacteria that colonized the interior of the ancient precursor of all eukaryotic life. External links ...
ancestors in Biological Dictionary

Walking legs

...walk right across the room, It is a ... There is something within us aside from legs which is the essence of walking . ... ... earliest apelike ancestors started walking on two legs because it required less ... One expended about the same energy walking on two legs as on four. ... how the le...

Unlinked

...rts tornado in Conway, storm damage in Lowcountry ... RootsMagic Forums: Unlinked Individuals or Families - RootsMagic ... I unlink the ... her ancestors as an unlinked , separate, small database within the ... Meiotic Recombination Between Unlinked Genes Animation ... Loading... More Biology Anim...

Molar teeth

...y teeth . Permanent molars are accessional teeth without primary predecessors. ... Evolutionists have taught that humans evolved from ape-like ancestors that possessed larger jaws and teeth than us. In the process of evolution the jaw has become ... ... teeth removal causes serious complicatio...

Migration

...ry ... Australia Migration . Best working experience with best salary packages, ... The Migrations .org Site is the place to go for tracking your ancestors as they moved. ... Migrations State Links ... Click here for Migrations Links ... German: Migration de(de) f. Japanese: 回遊 (kaiyū), 移動 (idō) ...

Gymnosperms

...ycle as with all other ... " Gymnosperms of ... Others were the ancestors of the plants we now know collectively as " gymnosperms " ... The surviving...m ... The features shared by gymnosperms were likely present in the early ancestors of ... Review of the essentials of both groups of seed plants: the Gy...

Gymnosperm

...os means naked, sperm means seed: thus the term gymnosperm = naked seeds. ... Numerous gymnosperm groups have been proposed as flowering plant ancestors over ... Definition of gymnosperm from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word game...

Group I introns

...isms are rare. ... Group II introns are widely believed to have been ancestors of spliceosomal ... colicin and pyocin nucleases, as well as to some group..... Group II introns are self-splicing ribozymes believed to be the ancestors of ... Many group II introns encode reverse transcriptases that promote...

Group II introns

... ORF and are ... Group II introns are widely believed to have been ancestors of spliceosomal ... It has been proposed that mobile group II introns ... Group II introns are self-splicing ribozymes believed to be the ancestors of ... Many group II introns encode reverse transcriptases that promo...

Evolutionary tree

...ow to Read an Evolutionary Tree . Map of the Exhibition. Activities for Students & Teachers ... All species on this evolutionary tree are ancestors of Homo ... ... The evolutionary tree of living things is currently supposed to run something ... Hypothetically taxonomy would follow the t...

Centers of origin

...ent Center after ... The centers of origin were where these plants were domesticated and dispersed to ... of these crop species, the wild ancestors still exist in the center of ... ... scientific graphing software, data analysis software, types of graph templates, and other research tools. ...
Other Tags
(Date:7/9/2014)... Perelman School of Medicine at the University of Pennsylvania ... received an $8 million grant from the National Cancer ... therapy (PDT) in patients with malignant pleural mesothelioma, a ... itself in the lining of the lungs and is ... will fund a clinical trial and additional studies looking ...
(Date:7/9/2014)... More scientific research into the metabolism of stromal support ... the metabolism of these cell types in the development ... diabetes, inflammatory conditions and cancer. That was the conclusion ... KU Leuven in the leading journal Nature . ... sort of wake-up call. The metabolism of cancer cells ...
(Date:7/9/2014)... personal and subjective, the human brain turns them ... across different senses, situations and even people, reports ... Anderson. , "We discovered that fine-grained patterns of ... of the brain associated with emotional processing, act ... subjective feeling," says Anderson, associate professor of human ...
(Date:7/9/2014)... for more than watching World Cup highlights, Brian Williams ... landing in unfortunate positions on railings. A University of ... Online Journal shows that YouTube also allows researchers, ... public on topics of skin cancer and prevention. , ... the future of how we communicate around the world," ...
(Date:7/9/2014)... and poor printing on prescription labels handed out ... to errors in taking medication, according to new ... (Canadian National Institute for the Blind)., The study, ... , found that labels on prescription medications dispensed ... guidelines for legibility. , By simply following recommended ...
Breaking Medicine News(10 mins):Health News:Penn mesothelioma program receives $8 million NCI grant 2Health News:Wake-up call for more research into cell metabolism 2Health News:Study cracks how the brain processes emotions 2Health News:Study of dermatology on YouTube shows new ways science reaches public 2Health News:Most prescription labels fail to meet guidelines, risking dosage errors 2
(Date:7/9/2014)... Atlas (TCGA) Research Network have identified novel mutations ... the most common subtype of lung cancer. Knowledge ... of possible therapeutic targets for this disease and ... treatable mutations because many potent cancer drugs that ... jointly funded and managed by the National Cancer ...
(Date:7/9/2014)... that can attack soybean crops, why would charcoal rot ... University of Illinois scientists cite the earth,s changing climate ... the fungus that causes charcoal rot. , Fungi may ... Macrophomina phaseolina , the fungus that causes charcoal ... the climate continues to change and we see more ...
(Date:7/9/2014)... with pain and fever but often can be defeated with ... and hard to beat. Now, scientists have built a new ... pyramids. Published in the journal ACS Applied Materials & ... and kill more of them than medicine alone. , David ... can lie in wait, undetectable in the human body or ...
Breaking Biology News(10 mins):Study identifies novel genomic changes in the most common type of lung cancer 2Study identifies novel genomic changes in the most common type of lung cancer 3Climate change provides good growing conditions for charcoal rot in soybeans 2Climate change provides good growing conditions for charcoal rot in soybeans 3
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