Should Scientists Bring Back Extinct Beasts? | | By: Megan Gannon Published: March 21‚ 2013 The Source: http://www.wunderground.com JONATHAN S. BLAIR/NATIONAL GEOGRAPHIC This photo shows a museum worker inspecting a replica of a woolly mammoth (Mammuthus primigenius)‚ a relative of modern elephants that went extinct 3‚000 to 10‚000 years ago. Biologists briefly brought the extinct Pyrenean ibex back to life in 2003 by creating a clone from a frozen tissue sample harvested before the goat’s
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assaulting the crystal like state of the surface as it went along. The groups of ripples were amazing‚ they were perfectly circular. They left behind a broken plastered surface. As the fog continued to lift‚ it revealed the source of the ripples‚ a frog. The frog had jumped into the lake and was propelling itself towards the other side.
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African clawed frog. After being injected‚ if the frog produced eggs within 24 hours‚ the woman was deemed to be pregnant. The ‘Frog Test’ was the world’s first cheap and reliable pregnancy test and became the international standard for years. Then‚ in 1958 a ‘hormonal pregnancy test’ (HPT) by the name of Primodos was manufactured by Schering – a German based Pharmaceutical Company – and became available for sale in the UK. It was advertised to be faster and more reliable that the ‘Frog Test’ in letting
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Laboratory 10 & 11: Stimulated Diving and Heart Rate Prelab Questions: 1.) If the peripheral blood vessels were constricted without making any other further adjustments in the cardiovascular system then the blood vessels could potentially burst due to the built up pressure and no further decrease in heart rate. The vessels would be smaller due to the constriction but the heart would continue to pump the blood with the same or greater force. The dive response prevents this from happening
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Night of Destruction In the early hours of Sunday 25 January 1959 a fire broke out in the sewing room in the west wing of the building. There were sixty-eight occupants in the building at the time. Thirty-six nuns‚ including four elderly nuns who had been invalids for some years‚ thirty students aged between seven and seventeen‚ and two lady mistresses were sleeping in their beds. Everyone escaped however a lot of damaged was done to the interior of the building. It took a couple of days for the
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surprising addictive. The simplicity catches you off guard because you step into the role of a stone frog who shoots colored balls out of his mouth. Your goal is to get three of the same color or more to knock the color down. (-- removed HTML --) Enter the Ancient Aztec World (-- removed HTML --) The game revolves on an access‚ and your goal is to destroy all the other balls that swirl around the frog before they enter the pit of doom. Once the snake ball reaches the pit‚ it will collapse in‚ and
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that propels the jumper away from the substrate. Any solid or liquid capable of producing an opposing force can serve as a substrate‚ including ground or water. Examples of the latter include dolphins performing traveling jumps‚ and Indian skitter frogs executing standing jumps from water. Jumping organisms are rarely subject to significant aerodynamic forces and‚ as a result‚ their jumps are governed by the basic physical laws of ballistic trajectories. Consequently‚ while a bird may jump into the
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The frogs did not react as expected‚ the salt made the frogs develop much faster than usual. The increased amount of salt made the frogs feed much more than they usually would during development. The increases feeding made the frogs grow to be much larger than usual as well. It was thought that the gray tree frogs would dehydrate with the increased salinity but they were able to survive. The frogs may have survived but this change in size could have
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The building selected for this project is the Fisher House In Philadelphia By Louis I. Kahn. It took Kahn seven years and many different designs to complete this work starting from 1960. Though the Fisher House is one of the few private residences designed by Kahn that came to completion‚ it serves as a great instance of his architectural achievements through the underlying stylistic forms and philosophical values. For various reasons such as the recession caused by the second World War and stylistic
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Experiment 2: Skeletal Muscle ABSTRACT Frog skeletal muscle is used as an animal model to study muscle contraction. The objectives of this experiment is to demonstrate the physiological responses of skeletal muscle to electrical stimuli using frog gastrocnemius‚ to understand twitch‚ summation‚ tetanus and fatigue‚ to investigate the relationship between initial tension and force of contraction‚ to explore the differences between human and frog skeletal muscle. The threshold voltage is 0.4V. The
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