Category: Science

Updates in science, research and educational knowledge via Foxcrawl Science

  • PHOTO: Hook-legged spider discovered in Oregon cave

    The U.S scientists just found a new taxonomic family of spider located in caves from Oregon.

    New species of spider found in the caves of western Oregon, U.S. Photo: California Academy of Sciences in SF
    As of 1990 only 2 other spider families have been revealed and this is the first newly discovered, native one uncovered in North America since 1890, according to Charles Griswold of the California Academy of Sciences.

    So far, the family consists only of the one species described, which the researchers named Trogloraptor marchingtoni.

    The spider features hooks, or claws, on its legs, which are employed to catch flying insects, like midges, out of the air. The spider is about 8 centimeter long including the legs.

    “They’re huge,” Griswold said. “When crawling through a dark cave and there’s only the spotlight of your head lamp, they look much bigger. It’s pretty amazing to see them hanging from a few threads.”

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    The spider has poisonous glands, though there’s no proof that it is dangerous to humans.
    Discovering a new family like this represents an historic event. “It is just as fascinating to arachnologists as the discovery of a new dinosaur is to paleontologists,” said spider researcher Norman Platnick at the American Museum of Natural History. Platnick did not have any involvement in the discovery or description of the new species.

    Another unusual thing about the spider is that it has two rows of teeth, or serrula. “I don’t recall seeing any other spiders with that kind of serrula,” Platnick told OurAmazingPlanet.

    The spider was first found by citizen scientists from the Western Cave Conservancy and taken to Griswold. Initially he thought it was a brown recluse, a poisonous type of spider. But a deeper inspection unveiled it was unique, and there was necessary 2 years to figure out that it is a new family. The results were published on Aug. 17, 2012 in the journal ZooKeys.
    Source: Yahoo.com

  • PHOTO: X-51 Waverider, the prototype that could bring the new flight era, to be tested Tuesday

    The prototype X-51 Waverider can reach a speed that allows it to fly from London to New York in one hour.

    X-51 Waverider, a new generation of planes aiming at hypersonic speeds (NASA)
    Project X-51 Waverider was born after Defense Advanced Projects Agency (DARPA), NASA, Air Force and Pratt & Whitney joined their forces, according to Business Insider.

    The innovative airplane will be tested Tuesday at an altitude of 15 km above the Pacific, and can reach speeds up to 6,500 km/h. X-51 is scheduled to be released from under the wing of a B-52 aircraft and the American engineers hope that the project will bring a new era of flight.

    Reports of other 100mg viagra online people can make you to definitely really feel protected and secure. Due to irregular routine and unhealthy food levitra pill price habits, people gradually start suffering from hypertension and depression which is all that have negative effects on testosterone levels. Approved by FDA (Food and Drug Administration), it has proved to be quite cialis from canada effective in its actions. Like in marriage existence and in each and every lover’s lifestyle – specially for those suffering sexual dysfunction – having a cheapest brand cialis strong genetic base, it can’t be cured but just only treated. According to aviation experts, X-51 flight system is a step forward compared to current technologies as big as the passing from propeller planes to jet aircrafts.

    X-51 Waverider is equipped with a scramjet-type engine, in which the combustion of the hydrogen-seeded airflow exceeds the speed of sound. In theory, the scramjet engines can achieve speeds of Mach 20 (24,500 km/h).

    Groundbreaking prototype aircraft X-51 Waverider to undergo flight tests on Tuesday. Photo:X-51 Waverider

  • MARS BEST PHOTO: Curiosity rover delivers detailed color mosaic of Gale crater

    Curiosity rover sent the most detailed picture of Mars surface to date!!! (scroll down for photo)

    Curiosity rover, landed earlier last week on the Martian surface and keeps sending back to Earth increasingly spectacular images of the Red Planet.

    NASA provided a very detailed full color image of Mars taken by its vehicle. In the photo it can be seen the edges of the Gale crater, the landing site of the rover.
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    Scientists have noted that the surroundings resemble parts of south-western United States.
    Curiosity’s main purpose is to head toward a highland area – informally known as Mount Sharp – to study and analyze its rocks.

    The best colour photo of Mars Gale crater delivered by NASA's Curiosity rover

  • VIDEO: Curiosity Rover lands successfully on Mars, delivers first photos

    NASA makes a historic announcement that its scientific robotic vehicle Curiosity managed to pass through the reddish Martian atmosphere and perform a daring landing inside a crater on Mars on Sunday evening (Pacific Time). [scroll down for video & photo]

    NASA’s Curiosity takes historic photos as it lands on Mars on 5 Aug. 2012. Credit:NASA/JPL
    Curiosity’s main mission aims at discovering evidence of life on the Red Planet.

    Scientists at NASA control center were ecstatic to detect signal levels coming from the one-ton rover which withstood the difficult 7-minute descent regarded as one of the toughest sequence of the entire mission.

    According to NASA, the landing procedure involved a huge parachute and a rocket that helped Curiosity fix flawlessly its tether on Mars surface. Thus the car-sized vehicle ended a 36-week flight before starting a two-year research period.

    “I can’t believe this. This is unbelievable,” enthused Allen Chen, the deputy head of the rover’s descent and landing team at the Jet Propulsion Laboratory near Los Angeles.

    Shortly after touching down, Curiosity sent back to Earth its first 3 photos of the Martian surface, one of the pictures featuring a wheel of the robot and the rover’s shadow lying on the surrounding rocks.

    According to the U.S. space agency, Curiosity’s official landing occured on August 5, 2012 at 10:32 p.m. or Aug. 6 at 5:32 GMT.
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    NASA writes that: “Curiosity image (see below) was taken through a “fisheye” wide-angle lens on the left “eye” of a stereo pair of Hazard-Avoidance cameras on the left-rear side of the rover. The image is one-half of full resolution. The clear dust cover that protected the camera during landing has been sprung open. Part of the spring that released the dust cover can be seen at the bottom right, near the rover’s wheel. On the top left, part of the rover’s power supply is visible. Some dust appears on the lens even with the dust cover off.

    The cameras are looking directly into the sun, so the top of the image is saturated. Looking straight into the sun does not harm the cameras. The lines across the top are an artifact called “blooming” that occurs in the camera’s detector because of the saturation.

    As planned, the rover’s early engineering images are lower resolution. Larger color images from other cameras are expected later in the week when the rover’s mast, carrying high-resolution cameras, is deployed.”

    Photo of the day: One of the first images beamed back by Curiosity after landing on Mars soil on Aug. 5, 2012 (PDT). Credit: NASA/JPL-Caltech

    Video: NASA team excited as Curiosity rover is landed on Mars

    Video: Curiosity to withstand 7 Minutes of Terror

  • Video: NASA photos prove humans reached Moon on Apollo mission

    New images appear to shatter decades of speculation!!! Photos published by NASA show that the humans stepped on the lunar surface during several Apollo missions (scroll down for photos and videos).

    Over time, there were dozens speculations related to the astronauts space mission on the moon. Some people have vehemently denied that man had reached Earth’s natural satellite. But now, NASA experts have presented images that normally should dispel such theories.

    NASA has just released images featuring the traces left by the Apollo 17 crew members on Moon’s surface. In the pictures taken over by universetoday you can see the flags placed by the astronauts on various missions after they got off the spacecrafts.

    Mark Robinson, a senior inspector of the Lunar Reconnaisance Orbiter Camera, said he was surprised to see that these flags still exist, intact, in spite of the high temperatures and radiation.

    Initially, Robinson had claimed that while the flag poles are possibly still standing, he didn’t believe the flags themselves resisted the tough radiation of the Moon surface environment. But NASA researcher was apparently wrong according to the new images and video which proved that at some of the landing sites – Apollo 12, Apollo 16, and Apollo 17 – the flags are still intact as their shadows are clearly seen on the lunar surface.
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    U.S. Apollo space program, which aimed at manned lunar exploration, took place from 1961 to 1972.

    This photo shows the flag left near the Apollo 16 landing site with the spacecraft slewed 15° towards the Sun; flag's shadow is spotted by LROC. Credit: NASA/GSFC/Arizona State University.

    LROC captured image revealing the lit side of the still standing U.S flag located at the Apollo 17 landing spot. Photo: NASA/GSFC/Arizona State University.

    Video: Apollo 12 landing site

    Video: Lunar lander mission for Moon Exploration (European Space Agency ESA)

  • Video: Austrian Felix Baumgartner jumps from space above New Mexico

    Austrian space jumper Felix Baumgartner leaped from more than 29 km above Earth in preparation for world-record breaking jump
    Outstanding performance: parachute jump from ultrahigh altitude in preparation for world record breaking (scroll down for video)!!!

    Austrian skydiver Felix Baumgartner, 43, managed an incredible performance as he jumped from a space capsule located at an altitude of 29 kilometers in the stratosphere above New Mexico. That’s nearly 3 times the cruising altitude of the jet airliners. Baumgratner plunged toward the Earth in free fall at a speed of over 850 km/h.

    Felix Baumgartner reached the altitude of over 29 km after a 90-minute-trip in a capsule lifted by a helium balloon. Austrian has been in freefall for 3 minutes and 48 seconds before opening his parachute. The jump lasted an overall 10 minutes and 30 seconds and the top speed was 863 km/h.

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    The world record for the highest altitude jump is still held by Joe Kittinger who jumped from 31 km, in 1960. Kittinger is currently Baumgartner consultant.

    Video: Skydiver Felix Baumgartner space jump from 29 km (July 2012)

  • Antarctica rift Ferrigno to rival Grand Canyon

    A stunning discovery was made in Antarctica where a rift lying under the ice appears to resemble the Grand Canyon.

    Amazing rift under the Ferrigno glacier was discovered in Antarctica. Photo:internet
    The explorers located the huge rift just 1 km beneath the ice sheet. The region where the rift was found, had previously been investigated, once in 1960 and again in 2010.

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    Researchers say the rift is likely to stretch into the sea. Robert Bingham, who discovered the rift, says it is possible that this is why ice melts very quickly in the area. The scientists believe that the rift was formed tens of millions of years ago when there was no ice in Antarctica.

  • Video: Cloud storm featuring “end of the world” scenario

    Spectacular images were captured in a small town in the United States (scroll down for video).

    A huge storm cloud swept over the town, stunning dozens people who were eager to capture the phenomenon on tape.

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    Video: Cloud storm phenomenon creates scary apocalypse images

  • Amazing photo of whale shark navigating under yacht is real

    A superb and unique photograph featuring a gigantic whale shark just under a yacht created a lot of buzz on the internet, especially on social network Facebook.

    whale shark
    Shawn Heinrichs photo of a whale shark passing beneath a yacht at Isla Mujeres, turned viral
    Many folks expressed their doubts regarding the originality of the image because not much details about it had been given at first.

    You can see the stunning photo as well as other explanatory messages on Shawn Heinrichs Facebook Page.

    But now, Shawn Heinrichs, the guy who snapped the photo, stepped forward to shed light on this aspect. Heinrichs claims that the “yacht-above-shark” picture is authentic and was taken several days ago at Isla Mujeres in Mexico.

    Moreover Shawn – a diver and photographer – gave further details on his close encounter with the magnificent whale shark.
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    “This is the place of the world’s largest whale shark aggregations,” he revealed in Facebook message. “Hundreds have been spotted in this particular location.”

    How was the image taken? Heinrichs explains:
    “The water was still that day and the whale shark encounters were off the charts. I saw the sharks passing close to our boat so I swam back and waited. To get a shot like this requires a lot of technical know-how and experience because focusing on an object above and below the water at the same time is challenging.

    “Also, getting the horizon line level and water off the lens is an exercise in patience and determination. Go for it and see what comes up.”

  • Video: Scary moments in Greenland as huge wave sweeps boat after glacier collapse

    Moments of terror for a few tourists in Greenland. The boat they were sitting in was hit hard by a huge wave triggered by the collapse of a piece of a glacier (scroll down for video).

    Greenland glacier Ilulissat Icefjord breaks, causes tsunami to hit boat with visitors
    Taken aback by the spectacular landscape, the tourists did not realize the approaching danger.

    They were in a boat filming Greenland’s glacier Ilulissat Icefjord, a popular tourist destination. A tsunami struck seriously the small motor boat when an ice block split apart and crashed into the ocean.

    The witnesses can be heard saying that they saw death with their own eyes. Ilulissat Icefjord is protected by UNESCO and is visited annually by thousands of tourists for its beautiful mountains of ice, but also for the spectacular moments you can witness (not like this one).
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    Every day, the great mass of the glacier breaks off resulting in icebergs which are subsequently seen traveling across the ocean’s waters.

    Video: Greenland glacier Ilulissat icefjord breaks off, causes tsunami, threatens tourists boat