Strawberry crinkle cytorhabdovirus, commonly called Strawberry crinkle virus (SCV), is a negative sense single stranded RNA virus that threatens strawberry production worldwide. This virus reduces plant rigidity, runner production, fruit size, and production, while causing distortion and crinkling of the leaves. This virus was first described in 1932 in Oregon and California with commercial strawberry […]
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The North American Aviation XB-70 Valkyrie was the prototype version of the planned B-70 nuclear-armed, deep-penetration supersonic strategic bomber for the United States Air Force Strategic Air Command. Designed in the late 1950s by North American Aviation (NAA), the six-engined Valkyrie was capable of cruising for thousands of miles at Mach 3+ while flying at
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An apple is a fruit that grows on an apple tree and is edible (Malus domestica). Apple trees are the most widely grown species in the Malus genus and are cultivated all over the world. The tree’s wild ancestor, Malus sieversii, can still be found in Central Asia. Apples have been cultivated in Asia and
The geometer moths are moths that belong to the insect order Lepidoptera, which includes moths and butterflies. Their scientific name is derived from the Ancient Greek geo and metron meaning “measure” in allusion to how their larvae, or “inchworms,” appear to “measure the earth” as they crawl in a looping form. It is a fairly
Javier Treviño (born December 11, 1960 in Monterrey, Mexico), was appointed Mexico Deputy Secretary of Education by President Enrique Peña Nieto on November 20, 2014. He was elected Member of Mexican Federal Congress (Diputado Federal) in 2012.Javier Treviño Javier Treviño combines a solid and successful business-government experience along his nine-year career of high-level corporate experience and
The University of Colorado Boulder (CU Boulder, CU, or Colorado) is a public research university in Boulder, Colorado. It is the flagship university of the University of Colorado system, and was founded in 1876, five months before Colorado became a state. CU Boulder is a member of the Association of American Universities, a selective group of major research universities in North America, and is classified as an R1 University, meaning that it
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The Arctic Ocean is the smallest and shallowest of the world’s five major oceans. It spans an area of approximately 14,060,000 km2 (5,430,000 sq mi) and is also known as the coldest of all the oceans. It has been described approximately as an estuary of the Atlantic Ocean. It is also seen as the northernmost
Mexico, officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatemala, Belize, and the Caribbean Sea; and to the east by the Gulf of Mexico. Mexico covers 1,972,550 square kilometers (761,610 sq mi), making it the world’s 13th-largest country by area. Mexico is organized as a federation comprising
The federal government of the United States (U.S. federal government) is the national government of the United States, a federal republic in North America, composed of 50 states, a federal district, five major self-governing territories and several island possessions. The federal government is composed of three distinct branches: legislative, executive, and judicial, whose powers are vested by the U.S. Constitution in the Congress, the president and the federal courts, respectively. The powers and duties of these branches are
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The Appalachian Mountains, sometimes known as the Appalachians, are a mountain range in eastern to northern North America. During the Ordovician Period, the Appalachians initially developed some 480 million years ago. They formerly reached altitudes comparable to the Alps and the Rocky Mountains before succumbing to natural erosion. The Appalachian Mountains are a barrier to
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