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In the pitched debate over genetically modified (GM) foods and crops, it can be hard to see where scientific evidence ends and dogma and speculation begin. In the nearly 20 years since they were first commercialized, GM crop technologies have seen dramatic uptake. Advocates say that they have increased agricultural production by more than US$98 billion and saved an estimated 473 million kilograms of pesticides from being sprayed. But critics question their environmental, social and economic impacts. | ![]() |
Pope Celestine V was an elderly, possibly frail man. After living as a self-flagellating hermit in Italy, he served as pontiff for only five months before resigning at the end of the 13th century. Since his death, the so-called "Hermit Pope" has been the subject of much speculation and intrigue, with legend holding that the he was murdered by his successor, Boniface VIII. |
Human cloning has been used to produce early embryos, marking a "significant step" for medicine, say US scientists. | ![]() |
In news that’s sure to delight young boys everywhere, scientists now have a better grasp on the impressive winds of Uranus. Neptune too. In a Nature study published today astronomers find that the most obvious weather patterns on the two ice giants are relatively shallow, only about 1,100 kilometers (683 miles) deep at most. The finding helps researchers understand the internal dynamics on Uranus, Neptune and similar exoplanets. | ![]() |
The central principle of quantum mechanics--that the act of measuring a quantum object actually changes it--has some pretty amazing potential in the world of cryptography. And Los Alamos National Laboratory just revealed that it has been using a new design of quantum cryptography setup for more than two years.

When some future Mars colonist is able to open his browser and watch a cat in a shark suit chasing a duck while riding a roomba, they will have Vint Cerf to thank.
In his role as Google’s chief internet evangelist, Cerf has spent much of his time thinking about the future of the computer networks that connect us all. And he should know. Along with Bob Kahn, he was responsible for developing the internet protocol suite, commonly known as TCP/IP, that underlies the workings of the net. Not content with just being a founding father of the internet on this planet, Cerf has spent years taking the world wide web out of this world.

Einstein's special relativity has proven more useful than ever, as scientists have now used it to discover an alien planet around another star.
The newfound world — nicknamed "Einstein's planet" by the astronomers who discovered it — is the latest of more than 800 planets known to exist beyond our solar system, and the first to be found through this method.

Astronomers are closer than ever to finding a true alien Earth, though the process may be slowed by budget cuts, scientists told members of Congress late last week.
Officials from NASA, the National Science Foundation and the SETI (Search for Extraterrestrial Intelligence) Institute gave testimony to the House Science, Space and Technology Committee on Thursday about the state of exoplanet research, saying researchers were closing in on planets around other stars that are the same size and distance from their suns as Earth.

American astronauts could be forced to fly on Russian spacecraft beyond 2017 if Congress continues to cut funding for private crewed vehicles, NASA chief Charles Bolden says.
On Tuesday (April 30), NASA announced that it will pay $70.7 million each for six more seats aboard Russian Soyuz space capsules. The $424 million deal keeps Americans launching to the International Space Station aboard the Soyuz through 2016, with return and rescue services extending until June 2017.
"Why are people so fascinated with @Cmdr_Hadfield?" the tweeter asked. "Can someone enlighten me?" | ![]() |
he Canadian astronaut who became a music sensation when his zero-gravity version of David Bowie's "Space Oddity" went viral on the web returned to Earth along with two crewmates on Tuesday after a five-month stint on the International Space Station. |
When the British archaeologist Sir Arthur Evans discovered the 4,000-year-old Palace of Minos on Crete in 1900, he saw the vestiges of a long-lost civilization whose artefacts set it apart from later Bronze-Age Greeks. The Minoans, as Evans named them, were refugees from Northern Egypt who had been expelled by invaders from the South about 5,000 years ago, he claimed. | ![]() |

The bond between dogs and humans is ancient and enduring. They snuggle up to us at night, gambol by our side during daily walks, and flop adoringly at our feet when we crash on our couches. But new research shows that the connection runs deeper than you might think. It is embedded in our genes.

Citizen scientists, environmentalists and anyone who lives near a power plant -- your services are requested. Climate change scientist Kevin Robert Gurney needs your help in a grand undertaking: the mapping of all the power plants in the world.
It's a big job, and he and the people in his lab cannot do it alone.
A WORLD-RENOWNED archaeologist has warned that people should be concerned about the issue of resurrecting extinct species. | ![]() |

The US adolescents who signed up for the Study of Mathematically Precocious Youth (SMPY) in the 1970s were the smartest of the smart, with mathematical and verbal-reasoning skills within the top 1% of the population. Now, researchers at BGI (formerly the Beijing Genomics Institute) in Shenzhen, China, the largest gene-sequencing facility in the world, are searching for the quirks of DNA that may contribute to such gifts. Plunging into an area that is littered with failures and riven with controversy, the researchers are scouring the genomes of 1,600 of these high-fliers in an ambitious project to find the first common genetic variants associated with human intelligence.
Bacteria that live in the gut have been used to reverse obesity and Type-2 diabetes in animal studies. | ![]() |

Like small children, scientists are always asking the question 'why?'. One question they've yet to answer is why nature picked quantum physics, in all its weird glory, as a sensible way to behave. Researchers Corsin Pfister and Stephanie Wehner at the Centre for Quantum Technologies at the National University of Singapore tackle this perennial question in a paper published today in Nature Communications.
New research in the journal Intelligence suggests the Victorians were naturally cleverer than we are, and draws the startling conclusion that "the Victorian era was marked by an explosion of innovation and genius, per capita rates of which appear to have declined subsequently". Psychologists have studied reaction times – apparently an indicator of intelligence – from the 1880s to the present, and discovered that they are slowing. Other factors such as health and diet mean overall intelligence is increasing, but the researchers insist our genetic IQ is in decline, a trend they attribute to clever people having fewer children than – how can this be put diplomatically? – less clever people. | ![]() |
Deforestation in the Amazon region could significantly reduce the amount of electricity produced from hydropower, says a new study. | ![]() |
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