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Welcome to Everything Science
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Everything Biology
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Written by Everything Science
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Sep 15, 2005 at 12:00 AM |
MANAGUA, Nicaragua--(BUSINESS WIRE)--Sept. 14, 2005--Each year between July and December, hundreds of thousands of rare sea turtles visit Nicaragua to lay millions of eggs along the country's coasts. Nicaragua, a country abundant in nature and adventure, is one of only four countries believed to experience turtle hatchings of such large proportions.
 | | Two Olive Ridley turtles come ashore on the beaches of La Flor Wildlife Reserve in Nicaragua to nest. Photo courtesy of Terra Incognita Ecotours. |
Nicaragua's majestic turtle migrations occur in waves referred to as "arribadas", or arrivals in Spanish. There is usually one "arribada" per month, but the exact date is influenced by a variety of factors, including the weather and moon. During each migration, several thousand turtles come ashore almost simultaneously and lay more than 100 ping-pong ball-sized eggs each. Remarkably, the turtles return to the exact same beach on which they were born, a phenomenon yet to be understood by scientists. Both of Nicaragua's coasts are popular sites for nesting turtles. The country's less-developed Caribbean coast, specifically the Pearl Cays, is the nesting area of choice for thousands of rare Hawksbill, Green, Loggerhead, and Leatherback turtles. The warm water, inviting grass beds, and protective mangroves of these remote, white-sand beaches are also home to what is believed to be the world's largest remaining population of Green Sea Turtles. While visitors can only arrive via water or air, local charter operations such as La Costena, http://www.tacaregional.com/costena, and Atlantica Airlines provide flights to the region for less than $100.00 roundtrip. (1) Comments posted about this in the forum |
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Everything Technology
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Written by Everything Science
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Sep 07, 2005 at 12:00 AM |
Scientists at the Technical University of Denmark have invented a technology which may be an important step towards the hydrogen economy: a hydrogen tablet that effectively stores hydrogen in an inexpensive and safe material.
 | | Dr. Tue Johannesen - one of the inventors of the Hydrogen Tablet - proves the safty of the most secure and efficient hydrogen storage in the world. | With the new hydrogen tablet, it becomes much simpler to use the environmentally-friendly energy of hydrogen. Hydrogen is a non-polluting fuel, but since it is a light gas it occupies too much volume, and it is flammable. Consequently, effective and safe storage of hydrogen has challenged researchers world-wide for almost three decades. At the Technical University of Denmark, DTU, an interdisciplinary team has developed a hydrogen tablet which enables storage and transport of hydrogen in solid form.
“Should you drive a car 600 km using gaseous hydrogen at normal pressure, it would require a fuel tank with a size of nine cars. With our technology, the same amount of hydrogen can be stored in a normal gasoline tank”, says Professor Claus Hviid Christensen, Department of Chemistry at DTU.
(2) Comments posted about this in the forum |
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Everything Space
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Written by Everything Science
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Sep 04, 2005 at 12:00 AM |
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Astronomers and students at UK universities and observatories can use their PCs to spot stars as faint as a candle on the Moon using a record-breaking new telescope.
 | | NGC 6744 is a large face-on barred spiral galaxy in the star-rich southern constellation of Pavo. It lies at a distance of approximately 30 million light years, and spans almost 150 000 light years in diameter. NGC 6744 is often considered one of the most Milky Way-like galaxies known. | The Southern African Large Telescope (SALT), the largest in the southern hemisphere and equal to the largest in the world, was built by partners in six countries including a UK consortium consisting of Armagh Observatory, the University of Keele, the University of Central Lancashire, the University of Nottingham, the Open University and the University of Southampton.
The £11 million SALT project has now released its first colour images from space, five years after construction started. The UK associates, along with partners in Germany, Poland, New Zealand, South Africa and the USA, have been amazed at the quality of the images, which are the first taken by SALT’s new $600,000 digital camera, SALTICAM.
The ‘first light’ sample images were shot during the camera's first trial period of operation, which also achieved SALT's first significant scientific results.
(4) Comments posted about this in the forum |
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Everything Archaeology
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Written by Everything Science
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Sep 03, 2005 at 12:00 AM |
SAN ANTONIO--(BUSINESS WIRE)--Sept. 1, 2005--The San Antonio Botanical Garden will present Dinosaurus Tex: A Giant Adventure. Approximately 60 life-size dinosaurs including some great insect friends will reside peacefully amid prehistoric plants at the 33-acre garden. The exhibit, presented by the SBC Foundation, will run from September 3 through December 4, 2005.
 | | Daspletosaur roams the San Antonio Botanical Garden. (Photo: Business Wire) | Dinosaurs that will inhabit the earth for those three months will include the Texas state dinosaur Pleurocoelus; a Quetzalcoatlus perched in a forest of cycads and palms; a vicious Bambiraptors looking for prey in a tropical rainforest; the herbivorous 30-foot-long, duck-billed Kritosaurus; a mother Edmontosaurus carefully guarding her eggs; a 6' centipede; two 3' dragonflies; some 12" cockroaches, and of course, the giant, fearsome meat-eating T-Rex. An assortment of activities will enhance interest and educational opportunities every day. Casts of dinosaur footprints invite visitors to contrast size and stride with those of their own feet. A Dino Dig challenges aspiring paleontologists to dig for dinosaur "bones." Dinosaurus Tex Family Days include additional dino crafts, entertainment and activities: September 3, 4 and 5; October 8; November 5 and December 3. Opening weekend festivities will be highlighted by a visit from George Blasing "Dino George." (2) Comments posted about this in the forum |
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