The first ever, it is believed, has been produced at Cornell University. The feat was apparently much overlooked, and has many concerned over the lack of public debate of this field of research. Genetically modified human embryos.
posted on May 13, 2008 - View this thread

A new round of genetic tests has confirmed it: The 'big lizards' of our childhood fantasies were more likely 'big birds.' In fact, they probably even had feathers, and looked more like this than this. Mind blowing, I know, but I guess this demonstrates that, despite what some may think, science really doesn't have a problem admitting that it got something wrong when new evidence comes to light.
posted on Apr 24, 2008 - View this thread

Any admixture would have to be driven by male Neanderthals. Two years ago we discussed morphological evidence of nontrivial interbreeding. Since then Neanderthal DNA has been examined for genetic support for this model of human evolution, largely contradicting the belief in Neanderthal contribution to modern humanity. Indeed any contribution from the Neanderthal gene pool to the evolution of modern humans might be very rare and indeed it appears that the best candidate gene thus (MC1R) far likely was a result of convergent evolution.
posted on Mar 20, 2008 - View this thread

Want your genome on a hard drive but don't have the money? 23andMe can give you almost that: a scan of your SNPs, presented online and complete with analyses derived from up-to-date medical research (and a few educated guesses). Eight months ago, blogs were rife with speculation of who 23 could be and what the connection with Google could mean.
posted on Feb 3, 2008 - View this thread

The allure of blue eyes has long been celebrated. In the Odyssey, Homer gives the goddess Athena "bright blue eyes," and our fascination persists to this day with actors like Brad Pitt and Naomi Watts. Until recently, however, no one could explain the phenomena.
posted on Feb 2, 2008 - View this thread

'Race' graphically illustrated - "most Europeans" vs. Ashkenazim (previously; see also IQ & Gladwell, viz. ;)
posted on Jan 23, 2008 - View this thread

Humans are evolving more rapidly than in the distant past, according to a new study published in PNAS. "The massive growth of human populations has led to far more genetic mutations, and every mutation that is advantageous to people has a chance of being selected and driven toward fixation. We are more different genetically from people living 5,000 years ago than they were different from Neanderthals", says lead author John Hawks.
posted on Dec 10, 2007 - View this thread

Brainbow. Using some very cool genetic tricks, Harvard scientists have found a way to make transgenic mice that express various mixtures of different coloured fluorescent proteins in their neurons. The result, individual brain cells with up to 90 distinct colours. Not surprisingly, this visually impressive work is in this month's issue of Nature.
posted on Nov 1, 2007 - View this thread

Devil facial tumor disease has ravaged the population of Tasmanian Devils in the last decade. DFTD is a transmissible cancer, i.e. the tumor cells themselves (which differ genetically from their host animal) are the agent responsible. The disease is spread by biting and other contact, and the resulting grotesque tumors interfere with feeding and lead to starvation. Poor immune response may be partially responsible. This is actually not the only such disease: canine transmissible venereal tumor is an analogue that has been known to be contagious since the 19th century. (CTVT, however, gets a proper immune response.)
posted on Oct 29, 2007 - View this thread

More cuckoo than cuckoos: mate two salmon, get a... trout! Just give the parents a sperm transplant. And the sperm stem cells work in females too:

...Injecting the male cells into female salmon sometimes worked, too, prompting five female salmon to ovulate trout eggs.... The stem cells were still primitive enough to switch gears from sperm-producers to egg-producers when they wound up inside female organs....

U.S. military practices genetic discrimination in denying benefits. "Those medically discharged with genetic diseases are left without disability or retirement benefits. Some are fighting back."
posted on Aug 20, 2007 - View this thread

As advances in DNA testing allow us to discover our genetic origins in ever-greater detail, many people are making surprising discoveries. Especially in the melting-pot that is the USA. Of course there are always those who feel that access to such information about who we are will only lead to bad things
posted on Jul 15, 2007 - View this thread

Myostatin is a genetic protein that affects muscle growth in humans and animals. Scientists have learned a lot about this protein from a noticeable myostatin mutation common in the Whippet dog breed. Whippets with one mutant copy of the gene are faster, so these are desirable for racing dog breeders. But selective breeding has caused increased instances of both copies of the myostatin genes mutating, which results in "double muscle" Incredible Hulk dogs!?
posted on Jul 13, 2007 - View this thread

A link between race and breast cancer. The findings of this study by a Philadelphia research team dovetail other recent findings, including those of Chicago researcher Funmi Olopade, a MacArthur winning doctor from Nigeria who is studying the genetic implications of the discovery. A Q & A with Dr. Olopade on her research. Dr. Olopade discussing her work on the Tavis Smiley show in 2003.
posted on Jul 10, 2007 - View this thread

The Etruscan civilization flourished in central Italy around the 6th century BC before the rise of the Roman Empire. Known for high art and high living, some say the Etruscans were influential in molding Roman and western civilization, however it has always been an enigma on where the Etruscans originally came from. DNA evidence has probably solved the mystery, confirming what Greek historian Herodotus first said over 2,500 years ago.
posted on Jun 24, 2007 - View this thread

Fat is Genetic, from NY Times science writer (and sister of Judi Bari) Gina Kolata.
posted on Jun 19, 2007 - View this thread

"Nothing in biology makes sense except in light of evolution." Despite Theodosius Dobzhansky's succint description of natural selection at the core of biological research since Darwin's fateful trip to the Galapagos, evolutionary biologist Michael Lynch respectfully dissents, asking "whether natural selection is a necessary or sufficient force to explain" the complexity of multicellular organisms we see today, where mutation, recombination and genetic drift are often overlooked, but critical factors in evolutionary theory and understanding.
posted on May 29, 2007 - View this thread

Controversial geneticist Jim Watson will soon be the first man to receve a fully-decoded copy of his own DNA blueprint. Watson and Crick discovered the structure of the DNA molecule and won the Nobel Prize in 1962. Watson is also known for his frank opinions. Very frank, indeed.
posted on May 27, 2007 - View this thread

Are you a Highly Sensitive Person? This trait ... is inherited by 15 to 20% of the population, and ... seems to be present in all higher animals. Being an HSP means your nervous system is more sensitive to subtleties. Your sight, hearing, and sense of smell are not necessarily keener .... But your brain processes information and reflects on it more deeply. Being an HSP also means, necessarily, that you are more easily overstimulated, stressed out, overwhelmed. This trait ... has been mislabeled as shyness (not an inherited trait), introversion (30% of HSPs are actually extraverts), inhibitedness, fearfulness, and the like. HSPs can be these, but none of these are the fundamental trait they have inherited ...
yahoo group | latest research (fascinating!) | newsletter | wikipedia | blog | via
posted on Apr 8, 2007 - View this thread

Bisphenol A: this extremely common chemical leaches out of food packaging and plastics, and was long considered safe. But a number of recent studies link it to developmental problems and cancer in lab animals in doses far lower than the current regulatory limit. Canada and the United States both review the scientific data available in the coming months, but critics already worry the process will be corrupted by industry. Industry, of course, insists that BPA is safe.
posted on Apr 7, 2007 - View this thread

As legends go, the first recorded instance of violence in the feud occurred after an 1873 dispute about the ownership of a hog: Floyd Hatfield had it and Randolph McCoy said it was his. The rest is Appalachian history. But it turns out that history may have had a helping hand in something called Von Hippel-Lindau disease. It weren't the moonshine, Pa. It was the DNA that did it.
posted on Apr 5, 2007 - View this thread

The Phylogenetics of the Yeti.
posted on Mar 14, 2007 - View this thread

...Historians teach that they are mostly descended from different peoples: the Irish from the Celts and the English from the Anglo-Saxons who invaded from northern Europe and drove the Celts to the country’s western and northern fringes. But geneticists who have tested DNA throughout the British Isles are edging toward a different conclusion. Many are struck by the overall genetic similarities, leading some to claim that both Britain and Ireland have been inhabited for thousands of years by a single people that have remained in the majority, with only minor additions from later invaders like Celts, Romans, Angles, Saxons, Vikings and Normans. The implication that the Irish, English, Scottish and Welsh have a great deal in common with each other, at least from the geneticist’s point of view, seems likely to please no one.

It's genital evolution day! Penis evolution. For my money, evolution reached it's zenith with the Argentine Lake Duck. Plenty more MeFi penis related shenanigans here , including the penis museum.
posted on Jan 23, 2007 - View this thread

The "Darwinian paradox" of homosexuality presents the conundrum of how a potential genetic basis for homosexual behavior could provide a survival benefit to offpsring and extend through generations, when sexual reproduction would seem to place strong selection pressure against such a "gene". Recently developed mathematical models (PDF) from researchers Sergey Gavrilets and William Rice not only show how a "gay gene" might proliferate within a population, but also provides testable hypotheses, including predictions of "widespread bisexuality" (subscription req'd).
posted on Jan 14, 2007 - View this thread

PermaPuppies - they never get big. Spoof commercial biotech site is just viral advertizing for Michael Crichton's new book, but some of the ads are fun.
posted on Nov 30, 2006 - View this thread

Study turns human genetics on its head. "The genome is like an accordion that can stretch or shrink . . . so you have no idea what's normal. We have to think of genetics in an entirely different way. We're actually more like a patchwork of genetic code than bar codes that line up evenly. Everything we've been taught is different now."
posted on Nov 23, 2006 - View this thread

Neanderthal Lovin’! New research from evolutionary scientist Bruce Lahn suggests that humans and the now extinct Neanderthal species mixed, and humans snatched up a valuable brain gene in the process. (The gene, MCPH1, and Lahn, discussed last year on MeFi) This comes on the tails of yet another new study providing morphological evidence that there was nontrivial interbreeding between humans and Neanderthals in Eurasia, despite the fact that Neanderthals may have been genetically closer to chimps than humans. Contrary to popular imagination, though, the Neanderthal species had bigger brains and sophisticated intellects, at least roughly on par with that of human beings. The gene regulates brain size during development, but its exact utility to humans is still unknown (and controversial). The origin of this gene and the question of Neanderthal mixing will soon be answered more definitively by the, just launched, 2 year project to map the Neanderthal genome, headed by Svante Pääbo (profiled in recent Smithsonian and Wired articles). Pääbo calls Lahn’s study "the most compelling case to date for a genetic contribution of Neandertals to modern humans."
posted on Nov 8, 2006 - View this thread

The Allen Institute for Brain Science has made the Allen Brain Atlas available online for public searches. It contains maps of gene expressions in a mouse brain, searchable by gene, anatomy, or with boolean syntax. They also offer Brain Explorer, a 3-D program that lets you highlight particular genes, and rotate the model in any direction. Via
posted on Oct 20, 2006 - View this thread

Evolutionary theorist Dr Curry predicts humanity will "split in two". At the very least this should provide material for playground insults. At the top end, as Dr Curry says, we could be living in Wells' The Time Machine. Only without the time machine, sadly.
posted on Oct 17, 2006 - View this thread

Neuroscience Gateway - "a comprehensive source for the latest research, news and events in neuroscience and genomics research"
posted on Oct 2, 2006 - View this thread

The United Celtic Kingdom. A new study shows that most British are decended from the Celtic tribes that crossed over from Spain 7,000 years ago. Only 20% of the English are decended from Viking stock, even fewer are Anglo-Saxons.
posted on Sep 21, 2006 - View this thread

The evolutionary reason behind senescence^ is one of the great mysteries of biology. Now cancer researchers may have discovered the key to why we age.
posted on Sep 8, 2006 - View this thread

BULLSHIT! Penn & Teller present their rational, libertarian bent views on diverse subjects, now available for free download on Google Video ::: profanity; creationism; alien abductions; conspiracy theories; recycling; gun control; endangered species; religion; the bible; family values; the apocalypse; signs from heaven; the occult; 12-step recovery programs; exercise v. genetics; environmentalism; hypnosis; ghosts; the war on drugs; feng shui / bottled water; college; PETA; and abstinence.
posted on Aug 11, 2006 - View this thread

The end of the lawnmower era is nigh. Microbiologist Joanne Chory may change the face of suburban one-upmanship as we know it. Imagine a weekend morning without the sound of lawnmowers. Can it really be just around the corner? Will men be willing to terminate their love/hate (mpg) relationships with their lawns? After all, a man and his mower are not easily parted.
posted on Jul 14, 2006 - View this thread

The Promise and Perils of Synthetic Biology
posted on Jun 16, 2006 - View this thread

The all-new sneeze-free cat this week joins a distinguished roster of altered organisms, such as glowing green pigs and bunnies, ampicillin-resistant maize and tomato, and even a potato with a bacterial pesticide spliced in. And don't forget OraGenics, the company that wants to infect your teeth with bacteria that won't cause decay - and will crowd out the ones that do. Brave New World, indeed. What's next?
posted on Jun 12, 2006 - View this thread

Why are so many Europeans blond(e)? Recent genetics research shows blond appeared only about 10,000 years ago, too quickly for normal natural evolution; an anthropologist has a suggestion why.
posted on Mar 6, 2006 - View this thread

Black man, white woman, black baby...? So the song goes, but when two of those babies got together as adults, the already shaky formula of racial outcomes was shown to be fallacious by a million-to-one event: the birth of black and white twins. An interesting aside of a media event, to be sure... but underneath the surface lurks an interesting subversion of the intuitive basis of race itself. What race is anyone? Then again, are you sure? I ask because it's amazing how not sure you can be.
posted on Feb 28, 2006 - View this thread

Poor old Abe. He had an impressive medical history, as previously discussed. Will we ever figure out all his ailments? As an explanation for "his especially clumsy gait," one theory claims that he had Marfan's Syndrome (with good company). But now researchers are leaning more toward a new theory, that a gene-linked disorder called ataxia. But Lincoln also suffered from depression which could have been heriditary, for which he took "little blue pills" that gave him mercury poisoning, which could explain his insomnia, tremors and rage attacks, gait, and more. Of course, we also suspect that he was in the closet. Lincoln's DNA will continue to be a growth industry, at least until somebody can get hold of a sample of the old guy and figure him out for sure.
posted on Jan 29, 2006 - View this thread

How cocky was your great^10 grandfather? Up to 3 million men may be descended from an Irish King. Impressive but still well short of the estimated 16 million ancestors of Genghis Khan. Does the alpha male mojo that drives leadership also make a man a horndog or does being a high status male simply give one the opportunity that all men would gladly have? If you aren't constantly on the lookout for a new hen, perhaps you're not presidential material.
posted on Jan 23, 2006 - View this thread

Medieval Irish warlord boasts three million descendants.
posted on Jan 19, 2006 - View this thread

Study finds that 40% of Ashkenazi Jews come from four Jewish mothers. Previously discussed on Metafilter: the peculiar genetics of Ashkenazi Jews and their impressive intellect.
posted on Jan 13, 2006 - View this thread

Glowing green pigs. Scientists from Taiwan have successfully created a bioluminescent pigs with genes from a jellyfish.
posted on Jan 12, 2006 - View this thread

Some 25 million years ago, humans and vervet monkeys diverged from a common ancestor. In very rough terms, perhaps one and a quarter million human generations, or five million vervet generations, have been brought forth upon the Earth since that common ancestor lived. Of course, many differences have evolved between humans and vervets in those 25 million years: among other things, human parents choose toys for their children; vervet parents do not.

But after all that time and genetic change, and despite studies attributing human children's toy preferences to adult stereotypes, a new study by Dr. Gerianne Alexander finds that vervet males, like human boys, prefer toy trucks and balls, while vervet females and human girls prefer dolls and toy cooking pots. What's more, the vervets play with the toys much as human children do: males roll trucks on the ground, females inspect dolls (apparently) for genitalia. Previously on MetaFilter: Pinker vs. Spelke, Gender and Brain morphology, Harvard president Larry Summers and his daughter's "baby truck".
posted on Dec 8, 2005 - View this thread

Not settled after all partial genetic explaination of eye color. it's not one classic dominant/recessive allele a la the monk Mendel. three known + unknown genes involved, everybody's still beautiful.
posted on Dec 8, 2005 - View this thread

This just in! First photo of Flying Spaghetti Monster taken using bacteria!
posted on Nov 27, 2005 - View this thread

Scientists find fear gene; can an army of [literally] fearless soldiers be far away? (Plus some good things, too.)
posted on Nov 17, 2005 - View this thread

What if being gay were a disease?
posted on Oct 3, 2005 - View this thread

DNA: frightening government privacy invasion tool of tomorrow or beautiful source of personal art today?
posted on Sep 11, 2005 - View this thread