Auguste Perret (12 February 1874 â 25 February 1954) was a French architect and a pioneer of the architectural use of reinforced concrete. His major works include the ThĂ©Ăątre des Champs-ĂlysĂ©es, the first Art Deco building in Paris; the Church of Notre-Dame du Raincy (1922â23); the Mobilier National in Paris (1937); and the French Economic, […]
Rajagopalan Vasudevan is an Indian scientist who has mostly worked in the field of waste management. He is presently employed as a professor at Thiagarajar College of Engineering. He devised a novel way for reusing plastic garbage to build better, more durable, and more cost-effective roads. He devised the concept of shredding plastic trash, combining
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Insects (from Latin insectum) are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at
Construction on Van Stadens Wind Farm outside Port Elizabeth in the Eastern Cape, was started in September 2012. The South African renewable energy company, MetroWind, is proceeding with the R550-million project which will provide power to the Nelson Mandela Bay municipality. The company will construct nine 3-megawatt wind turbines, boosting the local electricity grid, accounting for nearly half the 10 percent renewable energy
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Biology is the scientific study of life and living organisms. It examines structure, function, growth, origin, evolution, distribution, and interactions of living systemsâfrom molecular machinery inside cells to planetary-scale ecosystems. As one of the core natural sciences, biology integrates chemistry, physics, mathematics, and computational methods to explain how life operates and evolves. Modern biology is
An estuary is a coastal water body where freshwater from rivers and streams meets and mixes with saltwater from the ocean. Estuaries are highly productive ecosystems, supporting diverse plant and animal life and providing crucial services to humans, including fisheries, flood protection, and water filtration. đ Formation and Geography Estuaries form where the topography and
A tool is an object that can extend an individual’s ability to modify features of the surrounding environment. Although many animals use simple tools, only human beings, whose use of stone tools dates back hundreds of millennia, have been observed using tools to make other tools. Early tools, made of such materials as stone, bone, and wood, were used for preparation
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche. Thus “habitat” is a species-specific term, fundamentally different from concepts such as environment or vegetation assemblages, for which