Is Sparkling Water Bad For Your Teeth?
Sparkling water this decade is like baby formula of the 2010s; the target of a strange culture war that claims it has evidence of a public health crisis.
Sparkling water this decade is like baby formula of the 2010s; the target of a strange culture war that claims it has evidence of a public health crisis.
A new printable battery that can be produced cost-effectively on a large scale has been developed by a research team led by Prof. Dr. Reinhard Baumann of the Fraunhofer Research Institution for Electronic Nano Systems ENAS in Chemnitz together with colleagues from TU Chemnitz and Menippos GmbH.Like your t-shirt, the batteries are printed using a silk-screen method.They are also different from conventional batteries in that these printable versions weigh less than one gram, are less than a millimeter thick and can even be integrated into bank cards.
When glaciers advanced over much of the planet's surface during the last ice age, what kept Earth from freezing over entirely? Climate scientists are unsure because popular numerical models indicated that over the past 24 million years geological conditions should have caused carbon dioxide levels in the atmosphere to plummet, possibly leading to runaway "icehouse" conditions - yes, we needed CO2-related global warming, they said - but researchers writing in Nature claims plants are a missing piece of the puzzle.
NASA's Lunar Reconnaissance Orbiter has transmitted its first images since reaching the moon on June 23. The spacecraft's two cameras, collectively known as the Lunar Reconnaissance Orbiter Camera, or LROC, were activated June 30. The cameras are working well and have returned images of a region in the lunar highlands south of Mare Nubium (Sea of Clouds).As the moon rotates beneath LRO, LROC gradually will build up photographic maps of the lunar surface.
Just when you thought evolution couldn't get attacked by anyone else, a zoologist writing in Science and his colleagues are contending that changing winter conditions due to global warming are causing Scotland's wild Soay sheep to get smaller despite the evolutionary benefits of having a large body. Yep, climate change can trump natural selection, it turns out. So much for adapting to the environment. Too bad Darwin didn't know about CO2.
On television, police technicians zoom in on a security camera video to read a license plate or capture the face of a hold-up artist but, in real life, enhancing this low-quality video to focus in on important clues hasn't been an easy task. It just got a little easier. Prof. Leonid Yaroslavsky of Tel Aviv University and colleagues have developed a new video "perfection tool" to help investigators enhance raw video images. Commissioned by a defense-related company to improve what the naked eye cannot see, the tool can be used with live video or with recordings, in color or black-and-white.
The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years, according to research published in Nature Geoscience. If the band continues to migrate at just less than a mile (1.4 kilometers) a year, which is the average for all the years it has been moving north, then some Pacific islands near the equator – even those that currently enjoy abundant rainfall – may be drier within decades and starved of freshwater by midcentury or sooner.Global warming? Maybe. But if it is, the arid event could happen even sooner than current projections.
Astronomers using ESA’s XMM-Newton X-ray observatory have discovered a black hole they labeled HLX-1 (Hyper-Luminous X-ray source 1), which lies towards the outskirts of the galaxy ESO 243-49, approximately 290 million light-years from Earth and weighs more than 500 solar masses, making it a 'missing link' between lighter stellar-mass and heavier supermassive black holes. This discovery is the best detection to date of a new class that has long been searched for: intermediate mass black holes. The discovery has been made by an international team of researchers working with XMM-Newton data, led by Sean Farrell from the Centre d’Etude Spatiale des Rayonnements, now based at the University of Leicester.
Look out, Ida. Hot on the heels of one overhyped mishmash of media hysteria, a new fossil primate from Myanmar/Burma called Ganlea megacanina is causing researchers to speculate that the common ancestor of humans, monkeys and apes evolved from primates in Asia, not Africa, as many researchers believe. A major focus of recent paleoanthropological research has been to establish the origin of anthropoid primates (monkeys, apes and humans) from earlier and more primitive primates known as prosimians (lemurs, tarsiers and their extinct relatives).
Researchers have completed the largest ever survey for very distant clusters of galaxies. Named the Spitzer Adaptation of the Red-sequence Cluster Survey, "SpARCS" detects galaxy clusters using deep ground-based optical observations from the CTIO 4m and CFHT 3.6m telescopes, combined with Spitzer Space Telescope infrared observations. SpARCS is designed to find clusters as they appeared lwhen the universe was 6 billion years old or younger. Astronomers believe the universe was formed 13.7 billion years ago.
Are individuals, families and employers getting their money's worth from US healthcare?You'd think not, given the media full court press by the Obama administration for a federal health care plan at a cost of trillions that will allegedly be paid for by 'savings' in current health care. Like 'jobs saved', it isn't a number anyone can really track so it's up to individual belief - and likely political party registration. The federal government wants to provide more services to more people. And that may not be good health policy.
Why did our Milky Way galaxy survive while others failed? Ill-defined, convenient catch-all dark matter gets the credit, according to a new paper. Dark matter is thought to make up 85 per cent of the Universe’s mass and it may also be one of the building blocks of galaxy formation.The researchers say that the early Milky Way, which had begun forming stars, held on to the raw gaseous material from which further stars would be made. This material would otherwise have been evaporated by the high temperatures generated by the “ignition” of the Universe about half-a-billion years after the Big Bang.
Welcome back, Moa. Scientists say they have performed the first DNA-based reconstruction of the giant extinct moa bird using prehistoric feathers recovered from caves and rock shelters in New Zealand.The researchers from the University of Adelaide and Landcare Research in New Zealand have identified four different moa species after retrieving ancient DNA from moa feathers believed to be at least 2500 years old.The giant birds, measuring up to 2.5 meters and weighing 250 kilograms, were the dominant animals in New Zealand’s pre-human environment but were quickly exterminated after the arrival of the Maori around 1280 AD.Moa bird