Category: Science

Updates in science, research and educational knowledge via Foxcrawl Science

  • New Horizons made historic closest approach to Pluto

    New Horizons spacecraft, which was launched by NASA back in 2006, made it to the closest point to Pluto in a historic flyby that will enable scientist to claim deeper knowledge of this dwarf planet.

    After a journey of nearly five billion kilometers, New Horizons passed just 12,430 kilometers away of Pluto, on Tuesday at 11.49 GMT. The event was received with shouts of joy by NASA engineers.

    pluto heart shape photo
    Heart-shaped region spotted on Pluto surface (NASA)
    Within a time window of a few hours, New Horizons needs to store as many pictures as possible and deliver valuable information on this planet about which we know too little.

    Subsequently, the spacecraft is set to continue its trip further away to study the Kuiper Belt.

    The probe carries seven high-performance on board instruments which will scan and map the planet’s surface, analyze the composition of the atmosphere, its geology, surface temperature and make photos.

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    Because of focusing on its measurements, the probe cannot unfortunately send out real-time images it harvests, therefore NASA specialists have to wait a few hours before receiving the first elements.

    “The probe will take a short break from its research and turn to Earth in order to transmit data for 15 minutes, at around 20.20 GMT,” said Alice Bowman, the head of mission operations.

    Given the distance, NASA will receive this data in the early evening.

  • VIDEO: Stunning view of Pluto revealed by New Horizons space probe images

    NASA has published some images of Pluto captured by New Horizons spacecraft while approaching the dwarf planet.

    But the agency vows that new images with a ten times higher resolution will come up on Wednesday.

    pluto photo new horizons
    New Horizons image of Pluto (NASA)
    “You have not seen anything yet! Today’s images are just the latest in a sequence of the “photographic show” snapped by New Horizons,” writes NASA in a presentation message, adding that new images with a 10 times better resolution will be available Wednesday after 7.00 pm GMT.

    New Horizons spacecraft was launched by NASA in 2006 and passed by Pluto’s closest point on Tuesday after a 10-year trip.

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    New Horizons project cost about 700 million dollars.

    Pictures of Pluto as New Horizons nears

  • Where is the safest seat on a plane?

    A survey taking into account the air accidents that occurred in the past 35 years, reveals which seats on an airplane deliver the highest survival rates.

    The study conducted by the publication Time, is based on aviation accidents resulting in both victims and survivors, with the data being provided by the US Federal Aviation Administration.

    KLM Boeing 747 (pic: Michael Harris, http://next-nexus.info/)
    KLM Boeing 747 (pic: Michael Harris, http://next-nexus.info/)
    According to the analysis, the seats in the back of the plane unveiled over time the lowest fatality rates of 32%, compared to 39% in the middle and 38% in the front of the aircraft.

    As for the rows themselves, the same statistics show that the safest places are served by the rear seats on middle row with a fatality rate of only 28%, unlike the aisle seats in the middle of the plane with a fatality rate amounted to 44%.

    According to another study published back in 2008 by University of Greenwich, when a crash, the passengers near an exit are more likely to escape alive than those in other areas of the cabin.
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    The authors of the study stated, however, that the chances of survival in the event of a plane accident depend more on the circumstances of the crash and less on the passenger’s place.

    If the impact is strongly felt by the aircraft’s tail, for example, passengers in the middle and the front will have obviously more chances to survive. Therefore, aviation experts say that in reality, there is no 100% safe place on a plane.

    Generally, the flight travel remains one of the safest means of transport. The odds for a person to lose life in a car crash is on average 1 in 112. The fatality odds drop to 1 in 700 as a pedestrian and to 1 in 900 while riding a motorcycle. Nevertheless, the chances to die on a plane are quite minimal of about 1 to 8000.

  • Photo Camera of World War II Soldier Found in Luxembourg. Amazing Images of the Battle of the Bulge Are Real but Story is Reportedly Fake

    A US Navy captain and a historian allegedly made an incredible discovery while scrambling the mountains in Luxembourg searching for lost objects left behind after the Battle of the Bulge in the World War II.

    The story which is believed to be a hoax, claims that Captain Mark D. Anderson and historian Jean Muller used a metal detector equipment to find a foxhole used by soldiers in efforts to seek for shelter during the confrontation. Inside the hole they found the belongings of Louis J. Archambeau, a US soldier killed on the battle field.

    wwii photos
    US soldiers fighting in the Battle of the Bulge
    Among the lost items of the American soldier, there was also a photographic camera with an undeveloped film inside.

    Anderson and Muller have developed the film and thus the images that have been buried for about 70 years came to light.

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    Louis J. Archambeau lost indeed his life in Luxembourg but the photos are not known to have been snapped by him.

    December 1944 : Company C , 1st Battalion , 317 Infantry Regiment
    December 1944 : Company C , 1st Battalion , 317 Infantry Regiment

    soldiers WWII
    Soldiers in the densely forested Ardennes region during WWII

    world war ii picture
    US army suffered about 89,500 casulaties in the Battle of the Bulge

  • Mysteries surrounding disappearance of Greenland lakes water finally solved

    The mysterious disappearance of Greenland glacial lakes has been finally elucidated. Scientists have been stunned by a phenomenon, at least strange at the first glance.

    The ice lakes formed on the Greenland icecap were magically draining a speed that could rival probably the Niagara Falls.

    glacier moulin
    Water flowing into a glacier moulin (Pic: China Crisis/Wikimedia)
    In a study recently published in the journal Nature, the scientists explained the bizarre phenomenon which made the water a glacial lake disappear overnight.

    The ice layers featured apparently some vertical wells, called “Moulin or glacier mills”, that were able to drain the water melted under various regions of a glacier.

    The phenomenon causes cracks in the so-called supraglacial lakes able to drain the water in a few days, explained the scientists at the Massachusetts Institute of Technology – Woods Hole Oceanographic Institution (MIT/WHOI) Joint Program in Oceanography.

    “We found that before water disappears from the lake, there is a six to 12 hours level rise,” explained Laura Stevens, the leader of the study.
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    “The movement is sufficient enough to cause a tremendous pressure at the surface of the glacier to form cracks” added the geologist.

    According to this study, the discovery might help experts forecast the changes of the global sea level.
    Credit photo: I, China Crisis via Wikimedia Commons

    Video: Greenland glaciers mapped in 3D from satellite

  • North Korea claims discovery of cure and vaccine for Cancer, Ebola and AIDS

    North Koreans boast that it has found the cure for the world’s worst diseases such as Aids, Ebola, Mers or Sars, according to worldwide news outlets.

    North Korea is known for its poverty as well as the authoritarian and manipulative political regime. In the latest attempt to convince country’s citizens of the greatness of the Kim Jong-Un “Empire”, state-run media outlet KNCA (North Korean News Agency), which keeps the world informed on local events, mostly related to working visits of the supreme leader, announces the creation of a super vaccine able to protect the world’s people against most terrible diseases.

    Kumdang2 vaccine website
    Screenshot of NK website Kumdang2 which promotes cure for Aids, Ebola and other diseases (printscreen Kumdang-2)
    It is reported that researchers developed a vaccine called Kumdang-2 from ginseng grown from fertilizer mingled with rare-earth elements and “micro-quantities of gold and platinum”, according to its website kumdang2.com.

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    The only problem is that the secretive state did not deliver any evidence that the cure works and therefore the claim is likely to spark general skepticism.
    Source: The Telegraph

  • Earth facing sixth mass extinction of animal species; humans may disappear on early phase

    Scientists warn that the Earth has already entered the preliminary stage of the sixth great mass extinctions that hits planet. Those to be held accountable for the new “apocalyptic” phenomenon are the humans who risk to fall victims to their own behavior.

    American scientists warn that the Earth is doubtless facing an early phase of mass extinction of species, according to Mail Online.

    earth space photo
    Earth speciez jeopardized by 6th mass extinction phase (public domain)
    The study published by US researchers shows that the rate at which species are currently disappearing is 100 times faster than the normal pace.

    Scientists fear that 75% of the species on Earth will disappear within the next two generations.

    Never since the last mass extinction 66 million years ago – when dinosaurs vanished – the planet has lost animal species at such a rapid rate, argue experts from the US universities of Stanford, Princeton and Berkeley.

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    The study, published in the journal Science Advances on Friday, “shows without significant doubt that we are heading for the sixth mass extinction,” said Paul Ehrlich, professor of biology at Stanford.

    And people will most likely be among the species that will be extinct as well.

    In the past, the disappearance rate was of two mammal species out of 10,000 in 100 years, but as of the last century the average rate of loss of the vertebrate species is 114 times higher than the rate recorded in the absence of human activity, even taking into account the most conservative estimates in terms of extinction, according to the study.

  • Energy-saving solution: Colorado Department of Energy runs self-sustainable office building based on renewable energy

    Can you believe that an office building accommodating hundreds of employees, can operate by producing own energy without paying a penny for this utility?

    It may sound indeed like a dream, but in the US state of Colorado such a dream came true. The self-sustainable building in question headquarters the Department of Energy and produces more energy than it consumes.

    Research focus: Renewable energy sources (public domain)
    Research focus: Renewable energy sources (public domain)
    The key factor for such a success relies on the storage of the excess renewable energy. Practically, what is generated over day is used at night.

    “Every time the sun shines out there, we produce more energy than we can use, and our goal is to have a positive balance at the end of the year. If we save energy then we do not have to produce it. It is cheaper to spare it instead of using it,” says engineer Shanti Pless.

    When it comes to energy-saving solutions, the office buildings are a true challenge.

    “On a sunny day, we save about 85 percent energy over a typical office building,” he added.
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    “The light enters the building from the side and strikes the surface of a mirror before being diverted to an area of interest. Hence, after the solar rays reach the flat mirror surface, they are redirected toward the ceiling. You can see them in the installation hanging up on the window right here and this is the big version.”

    Although it seems incredible, the building manages to operate without employing additional energy sources.

    “Our solar panels produce more energy than we can use over the course of a year. We consume about 3.5 million kilowatts per year and produce a little more than this amount. A regular office building that is not designed to be energy efficient, uses 70 percent more energy than we produce here,” he says.

    The American project proved to be very successful on the way to waste-free, self-sustainable processes.

  • Brightest galaxy ever observed, named CR7 in honor of footballer Cristiano Ronaldo

    The brightest galaxy ever discovered so far in the universe was baptized “CR7” after the nickname of the Portuguese footballer Cristiano Ronaldo, announced Wednesday the astronomers from the European Southern Observatory (ESO) on the website of the institution. Now it is obvious that Ronaldo became a Galáctico in more than just football.

    Galaxy CR7 Ronaldo
    Ronaldo stunned by his own Galaxy CR7 (public domain/ronaldo7.net)
    “Astronomers have identified the shiniest galaxy of the young universe along with solid evidence proving the existence of the first generation of stars at its center. It is three times brighter than galaxy that held the title until now,” reads the official website of ESO.

    The new Galaxy will be called “CR7” – a tribute to Cristiano Ronaldo from scientists passionate about football.

    Moreover, ESO acknowledges that “this name evokes the great Portuguese footballer” and the study was coordinated by David Sobral of the Institute of Astrophysics and Space Sciences at the University of Lisbon.

    ESO also highlighted on its website that the “CR7” has a certain scientific connotation: “CR7 is a shortened form of the COSMOS Redshift 7, which refers to both galaxy’s place on the cosmic time scale and its age.”
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    “A1689-zD1, one of the older galaxies ever observed, is characterized by a redshift of 7.5” explained the researchers at the European Southern Observatory.

    The discovery of CR7 galaxy confirmed the hypothesis that the first stars (called “population III stars”) of the Big Bang” form only on the basis of their previous elements: hydrogen, helium and some traces of lithium.”

    “Population III stars were huge – a few hundred or even a thousand times larger than the Sun – hot and transitional – exploding into supernovas after only two million years, explained researchers at ESO.

  • Warning: Mankind to disappear in 100 years due to economic and political climate

    A reputable academician argues that the entire scientific community should alert worlds political and financial leaders, that human race may face extinction in less than 100 years from now and the process is already becoming irreversible. The apocalyptic prediction was made by Frank Fenner, the eminent Australian microbiologist who helped eradicate the smallpox.

    apocalypse artistic impression
    Human apocalypse may be possible according to Prof. Frank Fenner (public domain)
    In his view, humanity will not be unable to survive the excess overpopulation and consumerism. “Unfortunately mankind will not survive even 100 years from now. Besides humans, the disappearance would affect many other animal species, most of which are already in the process of extinction due to the reckless actions of the man. It is an irreversible situation and seems to be too late for any action. I don’t want to demoralize the efforts of those who struggle and strive to save what is left, but nobody wants to be lied forever”, pointed out Frank Fenner, professor at the Australian National University, today aged 95 and author of 22 books and scientific works.

    Scientist announced the eradication of smallpox in 1980, under the auspices of the World Health Assembly and its achievement is seen as one of the biggest successes for the World Health Organization. Earth’s human population is heading towards the 8 billion inhabitants milestone and Frak Fenner believes the final blow on our species will come in the form of climate change proportions.

    “I think the human species in its entirety will suffer the same fate as the inhabitants of Easter Island. What people do not understand is that climate change is at the beginning and has not yet reached its peak.”
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    From year to year, we already see obvious differences in the seasons. Some small communities may survive. For example, the Aborigines survived 40-50,000 years without becoming a civilization keen on science and getting to eventually produce excess carbon dioxide and pollute waters.

    If Aborigines will not survive, humanity as a whole will not succeed. Mankind will follow the same path of no return such as other species that are extinct today,” concluded reputed Australian researcher.