Kerem Uzala

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This Bacterium Can Do Division, Compute Logarithms And Take Square Roots

MIT researchers engineered bacterial cells to function as living calculators.<p>A group of engineers from MIT have created analog calculators out of living cells, according to a paper published online in <i>Nature</i> yesterday. By tweaking the genes of bacterial cells, the researchers were able to create …

Scientists Create First Cloned Human Embryo

The process that created Dolly the sheep in 1996 has now been proven successful in humans.<p>Human cloning has arrived. For the first time, scientists have made an embryonic clone of a person, using DNA from that person's skin cells. In the future, such a clone could be a source of stem cells, for …

How Researchers Cloned Human Embryos

Scientists in Oregon have achieved something that many thought might be impossible.<p>They said Wednesday that they have cloned human embryos and then harvested the embryo's stem cells.<p>The discovery, if it holds up, means scientists would be able to make personalized stem cells, with their genetic …

Tripped T-cells reject transplant organs - Futurity

U. PITTSBURGH (US) — Certain cells “stick their feet” in the bloodstream to trip-up and …

Pittsburgh

Embryonic stem cells: Advance in medical human cloning

<b>Human cloning has been used to produce early embryos, marking a "significant step" for medicine, say US scientists.</b><p>The cloned embryos were used as a source of stem cells, which can make new heart muscle, bone, brain tissue or any other type of cell in the body.<p>The study, published in the journal …

Scientists Clone Human Embryos To Make Stem Cells

Scientists say they have, for the first time, cloned human embryos capable of producing embryonic stem cells.<p>The accomplishment is a long-sought step toward harnessing the potential power of embryonic stem cells to treat many human diseases. But the work also raises a host of ethical concerns.<p>"This …

Cloned Human Embryo Study Comes Under Fire

An anonymous commenter has pointed out four different problems in last week's breakthrough paper.<p>A week ago, scientists from Oregon Health and Science University and the Oregon National Primate Research Center announced that they had successfully used human skin cells to clone embryonic stem cells. …

What happened when I had my genome sequenced

In the almost year-long lead-up to having my whole genome sequenced, I have no fears about it. Or at least just a couple of tiny wobbles that I easily dismiss. I've gone through a rigorous, informed-consent process that has explained some of the conditions I may have, the predispositions to certain …

Justices rule human genes cannot be patented

Supreme Court decision is a win for women with genetic risk of breast and ovarian cancers, as well as geneticists and researchers who had criticized a Utah company's exclusive patent.<p>WASHINGTON — The Supreme Court ruled Thursday that human genes cannot be patented, a decision with both immediate …

The Popular Science Guide To DNA

What is DNA?<p>DNA (deoxyribonucleic acid) is an extremely important molecule for life on Earth. All known living organisms use genetic information in their cell growth and development, division, and function – and DNA is responsible for encoding that information. Structurally, DNA is a double helix …

Tiny RNA linked to more aggressive leukemia - Futurity

A gene that helps keep blood free of cancer is controlled by tiny pieces of …

Cancer

Craig Venter: 'This isn't a fantasy look at the future. We are doing the future'

Craig Venter reclines in his chair, puts his feet up on his desk and – gently stroking his milk chocolate-coloured miniature poodle, Darwin, asleep in his arms – shares his vision of the household appliance of the future. It is a box attached to a computer that would receive DNA sequences over the …

Illegal Monsanto GMO wheat found in Oregon

A farmer in Oregon found a patch of wheat growing like a weed where it wasn’t expected, so the farmer sprayed it with the herbicide Roundup. …

In Pictures: The story behind DNA's double helix

A Sleep Gene Has A Surprising Role In Migraines

Mutations on a single gene appear to increase the risk for both an unusual sleep disorder and migraines, a team reports in <i>Science Translational Medicine</i>.<p>The finding could help explain the links between sleep problems and migraines. It also should make it easier to find new drugs to treat migraines, …

Bio-Hackers, Get Ready

When I speak to technical founders, they often look back with fondness to days of tinkering with a Commodore 64 or Hypercard.<p>But perhaps tomorrow’s founders will experiment with a very different kind of code — the genetic code that underlies how everything from one-celled organisms to humans …

Scientists discover DNA body clock

A US scientist has discovered an internal body clock based on DNA that measures the biological age of our tissues and organs.<p>The clock shows that while many healthy tissues age at the same rate as the body as a whole, some of them age much faster or slower. The age of diseased organs varied hugely, …

Uzbekistan Will Test Kids' Genes To Find Future Olympians

The (controversial) plan will go live in early 2015.<p>To spot future olympians, it's common practice to wait to see if youngsters are actually good at any given activity. But the central Asian country of Uzbekistan will begin testing the genes of kids as young as 10 to try and find future champion …

Genetics

Craig Venter Will Teleport Your DNA

In 2007 J. Craig Venter and his team sequenced an entire human genome—Venter's own—making scientific history. Three years later his team became the first to successfully create "synthetic life," and won a Popular Mechanics Breakthrough Leadership Award. In his newest book, Life at the Speed of …

What's The Half-Life Of DNA?

And more importantly, is Jurassic Park accurate?<p>DNA is a sturdy molecule; it can hang around for a long time in fossilized plants and animals. To find out just how long, an international team of scientists decided to determine its rate of decay—the length of time it takes half of its bonds to break.<p>…

What's Next For Gene Patenting?

We take a look at how yesterday's Supreme Court ruling affects risk testing for breast cancer. Plus, this isn't the last word for gene patenting.<p>The U.S. Supreme Court ruled yesterday on a landmark genetics case, involving the company that previously offered the only test in the world for two major …

U.S. Supreme Court Rules On Gene Patents

Naturally occurring genes cannot be patented, but synthetic ones can.<p>The U.S. Supreme Court finally ruled today on patenting breast-cancer genes. The ruling found that naturally occurring genes aren't patentable. If you make a synthetic version, however, that is your own work.<p>"The Court's decision …

How and Why We Age: The Power of Telomeres and Telomerase

Twenty years ago little was known about the aging process. Many ideas existed but nothing was certain. Today we know how and why we age. We cannot control it just yet, but even that may change in the near future.<p>The human body has 100 trillion highly-specialized cells. Each of these cells has sets …

Biologists uncover a new clue to messenger RNA decay - Futurity

A new discovery about chemical modifications on messenger RNA could offer insights into disorders such as obesity, diabetes, and infertility.

Biochemistry