|
Sphex Darwinensis
Wasps of the genus ''Sphex'' (commonly known as digger wasps) are cosmopolitan predators that sting and paralyze prey insects. ''Sphex'' is one of many genera in the old digger wasp family Sphecidae (''sensu lato''), though most apart from the Sphecinae have now been moved to the family Crabronidae. There are over 130 known ''Sphex'' species. Behaviour In preparation for egg laying, they construct a protected "nest" (some species dig nests in the ground, while others use pre-existing holes) and then stock it with captured insects. Typically, the prey are left alive, but paralyzed by wasp toxins. The wasps lay their eggs in the provisioned nest and the wasp larvae feed on the paralyzed insects as they develop. The great golden digger wasp (''Sphex ichneumoneus'') is found in North America. The developing wasps spend the winter in their nest. When the new generation of adults emerge, they contain the genetically programmed behaviors required to carry out another season of nest bui ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphex Pensylvanicus
''Sphex pensylvanicus'', the great black wasp, is a species of Sphex, digger wasp. It lives across most of North America and grows to a size of . The larvae feed on living insects that the females paralyze and carry to the underground nest. Distribution ''S. pensylvanicus'' is distributed across most of the contiguous United States and northern Mexico. During the late 20th century, its range expanded north to New York (state), New York and the Canadian provinces of Quebec and Ontario. Description ''Sphex pensylvanicus'' is a large, black wasp, significantly larger than their Conspecificity#Congener, congener ''Sphex ichneumoneus'' (the great golden digger wasp). Males are smaller than females, at only long compared with typical female sizes of . According to John Bartram, "The sting of this Wasp is painful, but does not swell like others". As well as being larger than ''S. ichneumoneus'', they are also darker, with smoky wings and an entirely black body, where ''S. ichneumoneus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Niko Tinbergen
Nikolaas "Niko" Tinbergen (; ; 15 April 1907 – 21 December 1988) was a Dutch biologist and ornithologist who shared the 1973 Nobel Prize in Physiology or Medicine with Karl von Frisch and Konrad Lorenz for their discoveries concerning the organization and elicitation of individual and social behavior patterns in animals. He is regarded as one of the founders of modern ethology, the study of animal behavior. In 1951, he published ''The Study of Instinct'', an influential book on animal behaviour. In the 1960s, he collaborated with filmmaker Hugh Falkus on a series of wildlife films, including ''The Riddle of the Rook'' (1972) and ''Signals for Survival'' (1969), which won the Italia prize in that year and the American blue ribbon in 1971. Education and early life Born in The Hague, Netherlands, he was one of five children of Dirk Cornelis Tinbergen and his wife Jeannette van Eek. His brother, Jan Tinbergen, won the first Bank of Sweden Prize in Economic Sciences in Memory o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphex Afer
Wasps of the genus ''Sphex'' (commonly known as digger wasps) are cosmopolitan predators that sting and paralyze prey insects. ''Sphex'' is one of many genera in the old digger wasp family Sphecidae (''sensu lato''), though most apart from the Sphecinae have now been moved to the family Crabronidae. There are over 130 known ''Sphex'' species. Behaviour In preparation for egg laying, they construct a protected "nest" (some species dig nests in the ground, while others use pre-existing holes) and then stock it with captured insects. Typically, the prey are left alive, but paralyzed by wasp toxins. The wasps lay their eggs in the provisioned nest and the wasp larvae feed on the paralyzed insects as they develop. The great golden digger wasp (''Sphex ichneumoneus'') is found in North America. The developing wasps spend the winter in their nest. When the new generation of adults emerge, they contain the genetically programmed behaviors required to carry out another season of nest buil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphex Abyssinicus
Wasps of the genus ''Sphex'' (commonly known as digger wasps) are cosmopolitan predators that sting and paralyze prey insects. ''Sphex'' is one of many genera in the old digger wasp family Sphecidae (''sensu lato''), though most apart from the Sphecinae have now been moved to the family Crabronidae. There are over 130 known ''Sphex'' species. Behaviour In preparation for egg laying, they construct a protected "nest" (some species dig nests in the ground, while others use pre-existing holes) and then stock it with captured insects. Typically, the prey are left alive, but paralyzed by wasp toxins. The wasps lay their eggs in the provisioned nest and the wasp larvae feed on the paralyzed insects as they develop. The great golden digger wasp (''Sphex ichneumoneus'') is found in North America. The developing wasps spend the winter in their nest. When the new generation of adults emerge, they contain the genetically programmed behaviors required to carry out another season of nest buil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Academy Of Sciences
The California Academy of Sciences is a research institute and natural history museum in San Francisco, California, that is among the largest museums of natural history in the world, housing over 46 million specimens. The Academy began in 1853 as a learned society and still carries out a large amount of original research. The institution is located at the Golden Gate Park in San Francisco. Completely rebuilt in 2008, the Academy's primary building in Golden Gate Park covers . In early 2020, before the COVID-19 pandemic, the California Academy of Sciences had around 500 employees and an annual revenue of about $33 million. Governance The California Academy of Sciences, California's oldest operating museum and research institution for the natural sciences, is governed by a forty-one member Board of Trustees who are nominated and chosen by the California Academy of Sciences Fellows. The Academy Fellows are, in turn, " minated by their colleagues and appointed by the Board of Tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphex Funerarius Mit Beute
Wasps of the genus ''Sphex'' (commonly known as digger wasps) are cosmopolitan predators that sting and paralyze prey insects. ''Sphex'' is one of many genera in the old digger wasp family Sphecidae (''sensu lato''), though most apart from the Sphecinae have now been moved to the family Crabronidae. There are over 130 known ''Sphex'' species. Behaviour In preparation for egg laying, they construct a protected "nest" (some species dig nests in the ground, while others use pre-existing holes) and then stock it with captured insects. Typically, the prey are left alive, but paralyzed by wasp toxins. The wasps lay their eggs in the provisioned nest and the wasp larvae feed on the paralyzed insects as they develop. The great golden digger wasp (''Sphex ichneumoneus'') is found in North America. The developing wasps spend the winter in their nest. When the new generation of adults emerge, they contain the genetically programmed behaviors required to carry out another season of nest buil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sphex Argentatus Fumosus 1
Wasps of the genus ''Sphex'' (commonly known as digger wasps) are cosmopolitan predators that sting and paralyze prey insects. ''Sphex'' is one of many genera in the old digger wasp family Sphecidae (''sensu lato''), though most apart from the Sphecinae have now been moved to the family Crabronidae. There are over 130 known ''Sphex'' species. Behaviour In preparation for egg laying, they construct a protected "nest" (some species dig nests in the ground, while others use pre-existing holes) and then stock it with captured insects. Typically, the prey are left alive, but paralyzed by wasp toxins. The wasps lay their eggs in the provisioned nest and the wasp larvae feed on the paralyzed insects as they develop. The great golden digger wasp (''Sphex ichneumoneus'') is found in North America. The developing wasps spend the winter in their nest. When the new generation of adults emerge, they contain the genetically programmed behaviors required to carry out another season of nest buil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Douglas Hofstadter
Douglas Richard Hofstadter (born February 15, 1945) is an American scholar of cognitive science, physics, and comparative literature whose research includes concepts such as the sense of self in relation to the external world, consciousness, analogy-making, artistic creation, literary translation, and discovery in mathematics and physics. His 1979 book '' Gödel, Escher, Bach: An Eternal Golden Braid'' won both the Pulitzer Prize for general nonfiction"General Nonfiction" . ''Past winners and finalists by category''. The Pulitzer Prizes. Retrieved March 17, 2012. and a (at that time called The American Book Award) for Science. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dean Wooldridge
Dean Everett Wooldridge (May 30, 1913 in Chickasha, Oklahoma – September 20, 2006 in Santa Barbara, California) was a prominent engineer in the aerospace industry.Stenbit JP (2008) ''Dean E Wooldridge'', Memorial Tributes: National Academy of Engineering, 12, 348-353. Something of a prodigy, Wooldridge graduated from high school at the age of 14. He received his bachelor's and master's degree from the University of Oklahoma. Like his future colleague Simon Ramo, Wooldridge went on to study at the California Institute of Technology under William Smythe, from which he received his PhD in physics (''summa cum laude'') in 1936, studying the separation of isotopes. After leaving Caltech, Wooldridge moved first to Bell Laboratories, where he worked on the theory of magnetism. In 1946, he and Simon Ramo (his classmate at Caltech) both became director of research for the electronics department of Hughes Aircraft, and his career became coupled with that of Simon Ramo. Together they f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iteration
Iteration is the repetition of a process in order to generate a (possibly unbounded) sequence of outcomes. Each repetition of the process is a single iteration, and the outcome of each iteration is then the starting point of the next iteration. In mathematics and computer science, iteration (along with the related technique of recursion) is a standard element of algorithms. Mathematics In mathematics, iteration may refer to the process of iterating a function, i.e. applying a function repeatedly, using the output from one iteration as the input to the next. Iteration of apparently simple functions can produce complex behaviors and difficult problems – for examples, see the Collatz conjecture and juggler sequences. Another use of iteration in mathematics is in iterative methods which are used to produce approximate numerical solutions to certain mathematical problems. Newton's method is an example of an iterative method. Manual calculation of a number's square root is a co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Free Will
Free will is the capacity of agents to choose between different possible courses of action unimpeded. Free will is closely linked to the concepts of moral responsibility, praise, culpability, sin, and other judgements which apply only to actions that are freely chosen. It is also connected with the concepts of advice, persuasion, deliberation, and prohibition. Traditionally, only actions that are freely willed are seen as deserving credit or blame. Whether free will exists, what it is and the implications of whether it exists or not are some of the longest running debates of philosophy and religion. Some conceive of free will as the right to act outside of external influences or wishes. Some conceive free will to be the capacity to make choices undetermined by past events. Determinism suggests that only one course of events is possible, which is inconsistent with a libertarian model of free will. Ancient Greek philosophy identified this issue, which remains a major focus o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daniel Dennett
Daniel Clement Dennett III (born March 28, 1942) is an American philosopher, writer, and cognitive scientist whose research centers on the philosophy of mind, philosophy of science, and philosophy of biology, particularly as those fields relate to evolutionary biology and cognitive science. , he is the co-director of the Center for Cognitive Studies and the Austin B. Fletcher Professor of Philosophy at Tufts University in Massachusetts. Dennett is a member of the editorial board for ''The Rutherford Journal'' and a co-founder of The Clergy Project. A vocal atheist and secularist, Dennett is referred to as one of the "Four Horsemen of New Atheism", along with Richard Dawkins, Sam Harris, and the late Christopher Hitchens. Early life, education, and career Daniel Clement Dennett III was born on March 28, 1942, in Boston, Massachusetts, the son of Ruth Marjorie (née Leck; 1903–1971) and Daniel Clement Dennett Jr. (1910–1947). Dennett spent part of his childhood in Le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
