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The dramatic collapse of the Mayan civilisation 1000 years ago is one of the world's enduring archaeological mysteries. But how the Maya got started in the first place is no less mysterious. Now newly discovered excavations have revealed that some Mayan ceremonial plazas and pyramids are centuries older than we thought – but leave obscure why they were built.
Experts on near-Earth objects wondered whether February's meteor blast over Russia would serve as a wakeup call about asteroids — and two months later, there's ample evidence that it has. But there are two sides to that wakeup call, having to do with potential opportunities as well as potential threats.
A pair of neutrinos detected in Antarctica may be the first of these ghostly particles seen coming from outside the solar system since 1987. If the finding is confirmed, it could lead to a new way of looking at the universe that may solve a number of cosmic puzzles.
SCIENTISTS may have to sharpen their pencils and re-do a lot of math: It seems the speed of light may not be constant after all.
In a finding that can potentially affect everything from the age of the universe to calculating the orbit of satellites, two new studies suggest the speed of a photon in a vacuum may fluctuate by as much as 50 quintillionths of a second per square meter.
Sam Parnia practices resuscitation medine. In other words, he helps bring people back from the dead — and some return with stories. Their tales could help save lives, and even challenge traditional scientific ideas about the nature of consciousness.
“The evidence we have so far is that human consciousness does not become annihilated,” said Parnia, a doctor at Stony Brook University Hospital and director of the school’s resuscitation research program. “It continues for a few hours after death, albeit in a hibernated state we cannot see from the outside.”
On May 9, 1926, famed American explorer Richard Byrd took off from the Norwegian Arctic island of Spitsbergen along with his pilot, Floyd Bennett, in an attempt to be the first to fly to the North Pole. About 16 hours later, the pair returned to the island in their Fokker tri-motor airplane, the Josephine Ford, saying they had indeed accomplished the feat.
The surface of Jupiter's moon Europa exposes material churned up from inside the moon and also material resulting from matter and energy coming from above. If you want to learn about the deep saltwater ocean beneath this unusual world's icy shell—as many people do who are interested in possible extraterrestrial life—you might target your investigation of the surface somewhere that has more of the up-from-below stuff and less of the down-from-above stuff.
The quest to understand why our Universe is made of matter rather than antimatter has received a boost at the Large Hadron Collider.
Astronomers have found a galaxy turning gas into stars with almost 100 percent efficiency, a rare phase of galaxy evolution that is the most extreme yet observed. The findings come from the IRAM Plateau de Bure interferometer in the French Alps, NASA's Wide-field Infrared Survey Explorer and NASA's Hubble Space Telescope.
Radiation emitted in the vicinity of black holes could be used to measure distances of billions of light years, says TAU researcher
A few years ago, researchers revealed that the universe is expanding at a much faster rate than originally believed -- a discovery that earned a Nobel Prize in 2011. But measuring the rate of this acceleration over large distances is still challenging and problematic, says Prof. Hagai Netzer of Tel Aviv University's School of Physics and Astronomy.
Life may well lurk beneath the Martian surface today, but it'll be tough to detect without sending humans to the Red Planet, some experts say.
There is now so much debris in orbit that the space environment is close to a cascade of collisions that would make space extremely hazardous, a major international meeting has concluded.
A global rights group launched a campaign on Tuesday to ban Terminator-style "killer robots" amid fears the rise of drone warfare could lead to machines with the power to make their own decisions about killing humans.
Human Rights Watch said it was creating an international coalition to call for a global treaty that would impose a "pre-emptive and comprehensive ban" on artificially intelligent weapons before they are developed.
The current Chairman and former CEO of Nestlé, the largest producer of food products in the world, believes that the answer to global water issues is privatization. This statement is on record from the wonderful company that has peddled junk food in the Amazon, has invested money to thwart the labeling of GMO-filled products, has a disturbing health and ethics record for its infant formula, and has deployed a cyber army to monitor Internet criticism and shape discussions in social media.
Should trade wars and protecting local jobs get in the way of clean energy?
Individuals who work in creative fields are diagnosed and treated with a mental illness more frequently than the general public, showing an important link between writing and schizophrenia.
In 1992, at the age of 70, a US citizen suffered a severe case of viral encephalitis, a swelling of the brain caused by infection. After he recovered two years later, he appeared completely average based on an IQ test (indeed, he scored 103). Yet in other ways, he was completely different. Several decades of his past life were wiped completely from his brain. His only accessible memories came from his 30s, and from the point of his illness to his death, he would never form another memory that he was aware of.
It’s no accident that money obtained through dishonest or illegal means is called “dirty money.” A new study from the University of California, Berkeley, suggests that when people perceive money as morally tainted, they also view it as having less value and purchasing power.
Religion and gender politics is often a toxic mix. First, the Church of England tied itself in knots over the ordination of women bishops. And then, Pope Francis got in trouble with the traditionalists by washing two young women's feet over Easter. Apparently, the liturgies dictate he should only have washed the men's feet.
They arrived in the Stone Age and transformed Europe's population. A genetic study reveals that many Europeans are descended from people who moved out of the Iberian peninsula – present-day Spain and Portugal – in a massive wave of migration that began around 6000 years ago.
Modern hunter-gatherers arrived in Europe around 45,000 years ago, followed much later by the first farmers, who arrived from the Middle East 10,000 years ago. Over the next few millennia, society changed rapidly as hunter-gatherers declined, replaced by farmers who developed powerful chiefdoms and technologies for working with metal.
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