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A rice bowl on a globe, filling up every 50 grains. Freerice, originally FreeRice, is a website-based application that allows players to donate rice to families in developing countries by playing a multiple-choice quiz game. For every question a user answers correctly, 10 grains of rice are donated via the United Nations World Food Programme ...
In the 1960s, rice yields in India were about two tons per hectare; by the mid-1990s, they had risen to 6 tons per hectare. In the 1970s, rice cost about $550 a ton; in 2001, it cost under $200 a ton. [50] India became one of the world's most successful rice producers, and is now a major rice exporter, shipping nearly 4.5 million tons in 2006.
Hybrid incompatibility occurs when the offspring of two closely related species are not viable or suffer from infertility. Charles Darwin posited that hybrid incompatibility is not a product of natural selection, stating that the phenomenon is an outcome of the hybridizing species diverging, rather than something that is directly acted upon by selective pressures. [4]
What if I have questions or need help with AOL Mail? You can find instant answers on our AOL Mail help page . Should you need additional assistance we have experts available around the clock at 800-730-2563.
IR8 is a high-yielding semi-dwarf rice variety developed by the International Rice Research Institute (IRRI) in the early 1960s. It was developed by an IRRI team consisting of Peter Jennings, Henry Beachell , Akira Tanaka, Te-Tzu Chang , Surajit Kumar De Datta , and Robert F. Chandler .
Golden rice is a variety of rice (Oryza sativa) produced through genetic engineering to biosynthesize beta-carotene, a precursor of vitamin A, in the edible parts of the rice. [ 1 ] [ 2 ] It is intended to produce a fortified food to be grown and consumed in areas with a shortage of dietary vitamin A .
Questions are asked in the categories of Biology, Chemistry, Earth and Space Science, Energy (dealing with DOE research), Mathematics, and Physics. [1] Several categories have been added, dropped, or merged throughout the years. Computer Science was dropped from the list in late 2002. Current Events was in the 2005 competition, but did not make ...
The BioScience Research Collaborative (BRC) is a collaborative life science research building in the Texas Medical Center in Houston, Texas. [1] It is similar in concept to the Clark Center/BioX at Stanford University [ 2 ] and the Broad Institute at MIT, [ 3 ] among other collaborative centers.