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Keyword: genetics

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  • Massive Genetic Study Reveals 90 Percent Of Earth’s Animals Appeared At The Same Time

    06/10/2018 2:20:23 AM PDT · by GonzoII · 219 replies
    Tech Times ^ | 30 May 2018, | Nicole Arce
    Landmark new research that involves analyzing millions of DNA barcodes has debunked much about what we know today about the evolution of species. In a massive genetic study, senior research associate at the Program for the Human Environment at Rockefeller University Mark Stoeckle and University of Basel geneticist David Thaler discovered that virtually 90 percent of all animals on Earth appeared at right around the same time. More specifically, they found out that 9 out of 10 animal species on the planet came to being at the same time as humans did some 100,000 to 200,000 years ago. "This conclusion...
  • More Say 'Nature' Than 'Nurture' Explains Sexual Orientation

    05/31/2018 2:38:55 PM PDT · by Ennis85 · 108 replies
    Gallup ^ | May 24nd 2018 | Lydia Saad
    Half of Americans in Gallup's 2018 Values and Beliefs poll say that being gay or lesbian is a trait from birth, easily eclipsing the 30% who believe it is a product of upbringing and environment. This is consistent with findings over the past few years. Another 10% say both explanations play a role, while 4% attribute being gay to something else and 6% are unsure. When Gallup first asked this "nature vs. nurture" question in 1977, a majority of U.S. adults (56%) said being gay or lesbian was due to people's upbringing and environment, and only 13% saw it as...
  • We’re asking the wrong questions about pot

    05/27/2018 6:16:38 AM PDT · by Steve Schulin · 93 replies
    PoliticsDiscussion.com ^ | May 27, 2018 | Judith Grisel (prof - neuroscience, Bucknell U)
    ... The offspring of partying adolescents, specifically those who used THC, may be at increased risk for mental illness and addiction as a result of changes to the epigenome — even if those children are years away from being conceived. The epigenome is a record of molecular imprints of potent experiences, including cannabis exposure, that lead to persistent changes in gene expression and behavior, even across generations. Though the critical studies are only now beginning, many neuroscientists prophesize a social version of Rachel Carson’s “Silent Spring,” in which we learn we’ve burdened our heirs only generations hence.
  • California Newborn DNA Database Shocks Parents

    05/14/2018 10:00:59 AM PDT · by Oldeconomybuyer · 34 replies
    CBS Sacramento ^ | May 14, 2018
    SACRAMENTO - DNA is back in the spotlight, cracking cold cases. But questions are being raised after the state spent decades collecting the DNA of infants without parents realizing it. California has been collecting newborn blood samples since 1983. Many parents were shocked to hear their children’s blood is being stored in a state database, and possibly even sold to outside researchers. Pricking the toes newborns, to test their blood for certain disorders. The remaining blood becomes “property of the state,” and could be shared with outside researchers. “I feel like that’s something that should have been discussed with us,...
  • Karenna Gore: Religious Leaders Should Urge Climate Activism on 'Moral and Spiritual Level'

    05/14/2018 8:24:34 AM PDT · by rktman · 41 replies
    pjmedia.com ^ | 5/13/2018 | Nicholas Ballasy
    Karenna Gore, director of the Center for Earth Ethics at Union Theological Seminary, urged the Catholic Church and other “faith communities” to become climate change activists and preach about taking action on the issue. “I actually think that [preaching is] one of the main things that could actually break through on this issue. One of the ways that we could break through on this issue is if people really start to think deeply on another level about it; on a moral and spiritual level and are moved from a different kind of place to take action, to raise it with...
  • ‘Golden State Killer’ suspect, a former police officer, arrested after DNA match, officials say

    04/25/2018 4:34:50 PM PDT · by Morgana · 22 replies
    Washington Post ^ | April 25, 2018 | Mark Berman, Avi Selk and Justin Jouvenal
    More than 40 years after the so-called “Golden State Killer” began terrorizing California, raping dozens of women and killing at least 12, authorities announced Wednesday that they had arrested 72-year-old Joseph James DeAngelo, charging him with capital murder. DeAngelo’s arrest offered a shocking, abrupt development in what had long been one of the most notorious unsolved string of crimes in U.S. history. The gruesome attacks unfolded across California for more than a decade during the 1970s and 1980s, shattering families and frightening communities. Then the crimes stopped, remaining a mystery for a generation, with little sign the case would ever...
  • BREAKING: Scientists Have Confirmed a New DNA Structure Inside Human Cells

    04/24/2018 7:24:49 AM PDT · by Red Badger · 43 replies
    www.sciencealert.com ^ | 23 APR 2018 | PETER DOCKRILL
    It's not just the double helix! For the first time, scientists have identified the existence of a new DNA structure never before seen in living cells. The discovery of what's described as a 'twisted knot' of DNA in living cells confirms our complex genetic code is crafted with more intricate symmetry than just the double helix structure everybody associates with DNA – and the forms these molecular variants take affect how our biology functions. "When most of us think of DNA, we think of the double helix," says antibody therapeutics researcher Daniel Christ from the Garvan Institute of Medical Research...
  • Genetics Is Undercutting the Case for Racial Quotas

    04/06/2018 7:01:28 AM PDT · by SeekAndFind · 76 replies
    National Review ^ | 04/06/2018 | Michael Barone
    ‘I am worried,” writes Harvard geneticist David Reich in the New York Times, “that well-meaning people who deny the possibility of substantial biological differences among human populations are digging themselves into an indefensible position, one that will not survive the onslaught of science.”Reich was responding to anticipated resistance to his forthcoming book, Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past. The “well-meaning people” Reich references are those who argue that race is a “social construct,” that there are no significant genetic differences among people of different racial ancestry. Maybe there...
  • Astronaut Scott Kelly Now Has Different DNA Than His Identical Twin Brother After One Year In Space

    03/14/2018 5:10:38 PM PDT · by goldendelicious · 75 replies
    CBS4 Denver ^ | 3-14-2018 | CBS Staff
    “Scott’s telomeres (endcaps of chromosomes that shorten as one ages) actually became significantly longer in space,” NASA researchers wrote in a statement. The space agency added that Kelly had hundreds of “space genes” activated by the year-long flight which reportedly altered the astronaut’s “immune system, DNA repair, bone formation networks, hypoxia, and hypercapnia.” While Scott Kelly’s height and 93 percent of his DNA returned to normal after returning to Earth, NASA confirmed that seven percent of his genes have remained changed and may stay that way. “This is thought to be from the stresses of space travel, which can cause...
  • How One Child’s Sickle Cell Mutation Helped Protect the World From Malaria

    03/12/2018 7:09:07 AM PDT · by C19fan · 13 replies
    New York Times ^ | March 8, 2018 | Carl Zimmer
    Thousands of years ago, a special child was born in the Sahara. At the time, this was not a desert; it was a green belt of savannas, woodlands, lakes and rivers. Bands of hunter-gatherers thrived there, catching fish and spearing hippos. A genetic mutation had altered the child’s hemoglobin, the molecule in red blood cells that ferries oxygen through the body. It was not harmful; there are two copies of every gene, and the child’s other hemoglobin gene was normal. The child survived, had a family and passed down the mutation to future generations. As the greenery turned to desert,...
  • Ancient DNA reveals Europe's dynamic genetic history

    04/23/2013 5:49:47 PM PDT · by BenLurkin · 72 replies
    phys.org ^ | 6 hours ago
    Ancient DNA recovered from a series of skeletons in central Germany up to 7500 years old has been used to reconstruct the first detailed genetic history of modern Europe. The study, published today in Nature Communications, reveals a dramatic series of events including major migrations from both Western Europe and Eurasia, and signs of an unexplained genetic turnover about 4000-5000 years ago. The research was performed at the University of Adelaide's Australian Centre for Ancient DNA (ACAD). Researchers used DNA extracted from bone and teeth samples from prehistoric human skeletons to sequence a group of maternal genetic lineages that are...
  • European origins laid bare by DNA

    10/11/2013 7:26:37 AM PDT · by BenLurkin · 31 replies
    BBC ^ | 10 October 2013 Last updated at 18:23 ET
    "None of the dynamic changes we observed could have been inferred from modern-day genetic data alone, highlighting the potential power of combining ancient DNA studies with archaeology to reconstruct human evolutionary history."
  • We are evolving an 'ultimate hangover' gene that may stop us from becoming addicted to alcohol

    02/23/2018 5:13:39 AM PST · by C19fan · 17 replies
    UK Daily Mail ^ | February 20, 2018 | Cecile Borkhararia
    Humans may be evolving an 'ultimate hangover' gene to protect against alcoholism. That's according to a new study that looked at a variant of a gene that makes booze intolerable to the body. Scientists claim this gene variant is being favoured by evolution - and, in time, could stop us from drinking alcohol in the future.
  • First Modern Britons Had 'Dark To Black' Skin, Cheddar Man DNA Analysis Reveals

    02/06/2018 11:31:05 PM PST · by blam · 183 replies
    The first modern Britons, who lived about 10,000 years ago, had “dark to black” skin, a groundbreaking DNA analysis of Britain’s oldest complete skeleton has revealed. The fossil, known as Cheddar Man, was unearthed more than a century ago in Gough’s Cave in Somerset. Intense speculation has built up around Cheddar Man’s origins and appearance because he lived shortly after the first settlers crossed from continental Europe to Britain at the end of the last ice age. People of white British ancestry alive today are descendants of this population. It was initially assumed that Cheddar Man had pale skin and...
  • ‘I want to help humans genetically modify themselves’

    12/25/2017 3:25:38 AM PST · by Candor7 · 51 replies
    The Gurardian ^ | Sun 24 Dec ‘17 08.30 GMT | Tom Ireland
    Josiah Zayner, 36, recently made headlines by becoming the first person to use the revolutionary gene-editing tool Crispr to try to change their own genes. Part way through a talk on genetic engineering, Zayner pulled out a syringe apparently containing DNA and other chemicals designed to trigger a genetic change in his cells associated with dramatically increased muscle mass. He injected the DIY gene therapy into his left arm, live-streaming the procedure on the internet. The former Nasa biochemist, based in California, has become a leading figure in the growing “biohacker” movement, which involves loose collectives of scientists, engineers, artists,...
  • DNA Testing Companies Admit Adding Fake African Ancestry To White Profiles To “Screw With Racists”

    12/10/2017 8:36:40 AM PST · by Enlightened1 · 173 replies
    Squwaker ^ | 12/06/17 | Alisha Sherron
    Who were your ancestors? What is your ethnic background composed of? Sites like Ancestry.com and 23andme have always been some go to sources in answering all of your toughest questions. But how accurate are they? In a recent interview with Cracked, one of the major ancestry testing companies, (which specific company is unknown) spilled the beans on what really happens when you purchase an ancestry kit. While I can’t say I’m surprised, you may be shocked to learn that these ancestry sites aren’t always as accurate as they claim to be. Beyond this, they’ve also admitted to tampering with the...
  • 5,000 year old DNA reveals the surprising origins of the Irish

    11/23/2017 6:14:32 PM PST · by 2ndDivisionVet · 121 replies
    Irish Central ^ | March 31, 2017 | Sandie Angulo Chen
    With a vial of saliva and a little cutting-edge science, AncestryDNA can tell you if you’ve got any Irish heritage in your genes. And with a lot of cutting-edge science, researchers in December 2015 published a study telling the world where that Irish heritage first originated. By studying the 5,000-year-old remains of a female farmer buried near Belfast, Ireland, and the remains of three men buried 3,000 and 4,000 years ago on Rathlin Island in County Antrim, archaeologists and geneticists now say they now know where the modern Irish people originally came from. The remains of the Stone Age female...
  • Science edges closer to Bible account of Adam and Eve

    11/21/2017 10:37:04 AM PST · by ForYourChildren · 74 replies
    WND ^ | 11/20/2017 | na
    'Since the Torah is the basic fabric of reality it cannot be hidden forever'! Scientists are coming closer and closer to the Bible, as more evidence arises of its accuracy, according to a report in Breaking Israel News. Science now supports the biblical account of the first man and woman in that it recognizes “Mitrochondrial Eve” and “Y-Chromosomal Adams,” the report said. BIN reports end times expert Rabbi Pinchas Winston describes the developing scientific view as “signal of redemption.” “During the exile there was great Hester Panim – a hiding of God’s face,” he told BIN. “As a result the...
  • The Beginner’s Guide to Body Types: Ectomorph, Mesomorph, and Endomorph

    11/19/2017 7:36:48 PM PST · by Tolerance Sucks Rocks · 21 replies
    Nerd Fitness ^ | November 15, 2017 | Steve Kamb
    We are all unique. Yes, even you. Your mom was right!And you’re here because questions about your body type and genetics:What body type am I?How does it affect my training and diet?I have bad genetics, how screwed am I?I am a [body type]. Does that mean I shouldn’t do [activity]?We all have different bodies, genetics,reactions from certain foods, strengths, and weaknesses, and thus we each have different activities and behaviors that we’re predisposed to be good at (or struggle with!).The standard way of thinking tells us that we have three main “body types”: EndomorphEctomorphMesomorph (Don’t worry we’ll get into each...
  • Modern humans emerged more than 300,000 years ago new study suggests

    09/29/2017 8:22:48 PM PDT · by 2ndDivisionVet · 30 replies
    EurekAlert! ^ | September 28, 2017 | Uppsala University
    A genomic analysis of ancient human remains from KwaZulu-Natal revealed that southern Africa has an important role to play in writing the history of humankind. A research team from Uppsala University, Sweden, the Universities of Johannesburg and the Witwatersrand, South Africa, presents their results in the September 28th early online issue of Science. The team sequenced the genomes of seven individuals who lived in southern Africa 2300-300 years ago. The three oldest individuals dating to 2300-1800 years ago were genetically related to the descendants of the southern Khoe-San groups, and the four younger individuals who lived 500-300 years ago were...