The Wisconsin Department of Natural Resources is receiving more sighting reports of the large fishing spider.
GREEN BAY, WIS. — The Wisconsin Department of Natural Resources is receiving more sighting reports of the large fishing spider.
Linda Williams of the DNR told the Press-Gazette Media that while two or three fishing spider sightings annually are typical in the region, she has received 10 reports this year and has personally seen four spiders herself.
They are found around rivers, streams or lakes, but frequently drift elsewhere to find food or lay eggs.
The spider can reach three inches in size but isn’t harmful to humans. It’s known for being aggressive enough hunt small fish or tadpoles.
Michael Draney, a spider expert at the University of Wisconsin-Green Bay, says he too has noticed an increase in sightings, especially of the “dark fishing spider,” which is one of six variations.
By CNN chief Washington correspondent Jake Tapper(CNN) - Under fire from Congress for allegedly unethical practices, the acting inspector general of the Department of Homeland Security, Charles Edwards, has been reassigned, sources tell CNN.
Last Thursday, a senior DHS official tells CNN, Edwards "formally requested a voluntary reassignment ... to another career position, in another office within the Department. In line with existing protocols and procedures, that request for a voluntary reassignment was processed, and based on the employee's experience and technical background he has been reassigned to a career position at Science and Technology."
In June, as CNN reported at the time, the chair and ranking Republican on the Senate subcommittee on Financial and Contracting Oversight described a number of potentially damaging allegations against Edwards, one of which was the allegation that he was susceptible to political pressure to the point that an investigation into Secret Service misconduct in Cartagena, Colombia, was scrubbed of damaging information. In the public report about the misconduct, whistleblowers told the senators, damaging information was “intentionally changed and withheld."
Columbian Hooker Scandal - DHS Inspector General Accused of Coverup, Nepotism & Abuse of Authority
The Landsat Data Continuity Mission (LDCM), a collaboration between NASA and the U.S. Geological Survey, will provide moderate-resolution (15 m--100 m, depen...
The Landsat Data Continuity Mission (LDCM), a collaboration between NASA and the U.S. Geological Survey, will provide moderate-resolution (15 m--100 m, depending on spectral frequency) measurements of the Earth's terrestrial and polar regions in the visible, near-infrared, short wave infrared, and thermal infrared.
LDCM Long Swath
After two months of on-orbit testing and calibration, LDCM fired its propulsion system on April 12, 2013, and ascended to its final orbit 438 miles (705 km) above Earth. The animation, made from scenes taken a week later on April 19, allows viewers to fly with the satellite from its final operating orbit. 56 continuous Landsat scenes from that orbit have been stitched together into a seamless view from Russia to South Africa. Orbiting at 16,800 mph (27,000 kph), LDCM made this flight in just more than 20 minutes. The animation moves faster, covering 5,665 miles (9,117 kilometers) in nearly 16 minutes. You would have to be moving about 21,930 mph (35,290 kph) to get a similar view — only slightly slower than the Apollo astronauts who entered Earth's orbit from the moon at 25,000 mph (40,200 kph).
We pan down the long swath of data from LDCM (aka Landsat 8) starting in northern Russia, passing over the Caucasus Mountains, the Republic of Georgia, Armenia, Turkey (passing Lake Van), Iraq, and Saudi Arabia (the cities of Medina and Jeddah), crossing the Red Sea into Eritrea, Ethiopia, the Kenya-Uganda border and catching the eastern edge of Lake Victoria, Tanzania, Zimbabwe, a little bit of Mozambique, and ending in northern South Africa.
[Video News File; media resource preview] NASA's Kepler Space Telescope has discovered the first validated Earth-size planet orbiting in the habitable zone o...
NASA's Kepler Space Telescope has discovered the first validated Earth-size planet orbiting in the habitable zone of a distant star, an area where liquid water might exist on its surface. The planet, Kepler-186f, is ten percent larger in size than Earth and orbits its parent star, Kepler-186, every 130 days. The star, located about 500 light-years from Earth, is classified as an M1 dwarf and is half the size and mass of our sun.
A new NASA movie of the sun based on data from NASA's Solar Dynamics Observatory, or SDO, shows the wide range of wavelengths - invisible to the naked eye - ...
A new NASA movie of the sun based on data from NASA's Solar Dynamics Observatory, or SDO, shows the wide range of wavelengths - invisible to the naked eye - that the telescope can view. SDO converts the wavelengths into an image humans can see, and the light is colorized into a rainbow of colors.
As the colors sweep around the sun in the movie, viewers should note how different the same area of the sun appears. This happens because each wavelength of light represents solar material at specific temperatures. Different wavelengths convey information about different components of the sun's surface and atmosphere, so scientists use them to paint a full picture of our constantly changing and varying star.
Yellow light of 5800 Angstroms, for example, generally emanates from material of about 10,000 degrees F (5700 degrees C), which represents the surface of the sun. Extreme ultraviolet light of 94 Angstroms, which is typically colorized in green in SDO images, comes from atoms that are about 11 million degrees F (6,300,000 degrees C) and is a good wavelength for looking at solar flares, which can reach such high temperatures. By examining pictures of the sun in a variety of wavelengths - as is done not only by SDO, but also by NASA's Interface Region Imaging Spectrograph, NASA's Solar Terrestrial Relations Observatory and the European Space Agency/NASA Solar and Heliospheric Observatory -- scientists can track how particles and heat move through the sun's atmosphere.
Robin Young of Amur Minerals Corp. wants to dig for nickel and copper in Siberia where forbidding winters and poor roads make it tough to haul in equipment. His best option: fly it in with zeppelins.
Otherwise the London-traded explorer would have to spend about $150 million building a 350-kilometer (218-mile) road to truck in heavy construction gear, Chief Executive Officer Young said in an interview. Peter Hambro, executive chairman of gold producer Petropavlovsk Plc, said he invested in a maker of the airships and foresees the mining industry adopting them.
“To build a bridge to take a Toyota Land Cruiser isn’t horrifically expensive,” Hambro said. “To build a bridge that will take a Caterpillar 777 is very, very expensive,” he said, referring to the 87-ton dump truck used in mines.
Zeppelin and blimp manufacturers need mining contracts to creep back to life, 76 years after the Hindenburg burned and crashed in New Jersey, ending most buyer interest for decades. With better designs and a buoyant gas that can’t ignite, makers such as Worldwide Aeros Corp. and Hybrid Air Vehicles of the U.K. say they’re negotiating their first sales to the $960 billion mining industry to complement truck and rail transport.
Consider it a cosmic coincidence: On Nov. 18-19, two comets (ISON and Encke) are going to fly by the planet Mercury in quick succession. NASA's MESSENGER spa...
Consider it a cosmic coincidence: On Nov. 18-19, two comets (ISON and Encke) are going to fly by the planet Mercury in quick succession. NASA's MESSENGER spacecraft will have a front-row seat for the rare double flyby.
NASA-led Study Explains How Black Holes Shine in Hard X-rays A new study by astronomers at NASA, Johns Hopkins University and the Rochester Institute of Tech...
NASA-led Study Explains How Black Holes Shine in Hard X-rays
A new study by astronomers at NASA, Johns Hopkins University and the Rochester Institute of Technology confirms long-held suspicions about how stellar-mass black holes produce their highest-energy light.
By analyzing a supercomputer simulation of gas flowing into a black hole, the team finds they can reproduce a range of important X-ray features long observed in active black holes. Jeremy Schnittman, an astrophysicist at NASA's Goddard Space Flight Center in Greenbelt, Md., led the research.
Black holes are the densest objects known. Stellar black holes form when massive stars run out of fuel and collapse, crushing up to 20 times the sun's mass into compact objects less than 75 miles (120 kilometers) wide.
Gas falling toward a black hole initially orbits around it and then accumulates into a flattened disk. The gas stored in this disk gradually spirals inward and becomes greatly compressed and heated as it nears the center, ultimately reaching temperatures up to 20 million degrees Fahrenheit (12 million C), or some 2,000 times hotter than the sun's surface. It glows brightly in low-energy, or soft, X-rays.
For more than 40 years, however, observations show that black holes also produce considerable amounts of "hard" X-rays, light with energy tens to hundreds of times greater than soft X-rays. This higher-energy light implies the presence of correspondingly hotter gas, with temperatures reaching billions of degrees.
The new study involves a detailed computer simulation that simultaneously tracked the fluid, electrical and magnetic properties of the gas while also taking into account Einstein's theory of relativity. Using this data, the scientists developed tools to track how X-rays were emitted, absorbed, and scattered in and around the disk.
The study demonstrates for the first time a direct connection between magnetic turbulence in the disk, the formation of a billion-degree corona above and below the disk, and the production of hard X-rays around an actively "feeding" black hole.
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