John Ono Lennon, (9 October 1940 – 8 December 1980), was an English musician, singer and songwriter who rose to worldwide fame as a founder member of the rock band the Beatles, the most commercially successful band in the history of popular music. With Paul McCartney, he formed a songwriting partnership that is one of the most celebrated of the 20th century.
“Life is What Happens To You While You’re Busy Making Other Plans.” The above quote may be attributed to the following people John Lennon, Allen Saunders, Quin Ryan, Walter Ward, Henry Cooke, Robert Balzer, L. S. McCandless
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Spider silk is a protein fiber spun by spiders. Spiders use their silk to make webs or other structures, which function as nets to catch other animals, or as nests or cocoons to protect their offspring. They can also use their silk to suspend themselves. All spiders produce silks, and a single spider can produce up to seven different types of silk for different uses. Consisting of mainly protein, silks are about a sixth of the density of steel (1.31 g/cm3). As a result, a strand long enough to circle the Earth would weigh less than 500 grams (18 oz).
Many small spiders use silk threads for ballooning. They extrude several threads into the air and let themselves be carried away by winds. Although most rides will end a few yards later, it seems to be a common way for spiders to invade islands. Many sailors have reported that spiders have been caught in their ship’s sails, even when far from land. The extremely fine silk that spiders use for ballooning is known as gossamer. The threads of spider silk made of protein molecules are stronger than steel of the same size. Also spider webs can stretch and absorb water.
Spider spotted near Pune
The greater coucal or crow pheasant (Centropus sinensis), is a large non-parasitic member of the cuckoo order of birds. A widespread resident in Asia, from India, east to south China, Nepal and Indonesia, it is divided into several subspecies, some being treated as full species. They are large, crow-like with a long tail and coppery brown wings and found in wide range of habitats from jungle to cultivation and urban gardens. They are weak fliers, and are often seen clambering about in vegetation or walking on the ground as they forage for insects, eggs and nestlings of other birds. They have a familiar deep resonant call which is associated with omens in many parts of its range.
They sunbathe in the mornings singly or in pairs on the top of vegetation with their wings spread out. The territory of a nesting pair has been found in southern India to be 0.9 to 7.2 ha (mean 3.8 ha). They are most active in the warm hours of the morning and in the late afternoon. The calls are a booming low coop-coop-coops repeated and with variations and some duets between individuals. When duetting the female has a lower pitched call. Other calls include a rapid rattling “lotok, lotok …” and a harsh scolding “skeeaaaw” and a hissing threat call.
The Greater Coucal (Bhardwaj) spotted in Pune
Galileo Galilei (15 February 1564 – 8 January 1642), often known mononymously as Galileo, was an Italian physicist, mathematician, engineer, astronomer, and philosopher who played a major role in the scientific revolution during the Renaissance. His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism. Galileo has been called the “father of modern observational astronomy”, the “father of modern physics”, the “father of science”, and “the father of modern science”. His contributions to observational astronomy include the telescopic confirmation of the phases of Venus, the discovery of the four largest satellites of Jupiter (named the Galilean moons in his honour), and the observation and analysis of sunspots. Galileo also worked in applied science and technology, inventing an improved military compass and other instruments.
Charles Robert Darwin (12 February 1809 – 19 April 1882) was an English naturalist and geologist, best known for his contributions to evolutionary theory. He established that all species of life have descended over time from common ancestors, and in a joint publication with Alfred Russel Wallace introduced his scientific theory that this branching pattern of evolution resulted from a process that he called natural selection, in which the
struggle for existence has a similar effect to the artificial selection involved in selective breeding. Darwin published his theory of evolution with compelling evidence in his 1859 book On the Origin of Species, overcoming scientific rejection of earlier concepts of transmutation of species.By the 1870s the scientific community and much of the general public had accepted evolution as a fact. 1870s the scientific community and much of the general public had accepted evolution as a fact.
Michio Kaku (born January 24, 1947) is an American communicator and popularizer of science, futurist, theoretical physicist, and Henry Semat Professor of Theoretical Physics at the City College of New York. He has written several books about physics and related topics, has made frequent appearances on radio, television, and film, and writes extensive online blogs and articles. He has written three New York Times Best Sellers: Physics of the Impossible (2008), Physics of the Future (2011), and The Future of the Mind (2014). Kaku has hosted several TV specials for the BBC, the Discovery Channel, the History Channel, and the Science Channel.Kaku is the author of several textbooks on string theory and quantum field theory.
Sir Isaac Newton (25 December 1642 – 20 March 1726) was an English physicist and mathematician (described in his own day as a “natural philosopher”) who is widely recognized as one of the most influential scientists of all time and as a key figure in the scientific revolution. From the age of about twelve until he was seventeen, Newton was educated at The King’s School, Grantham which taught him Latin but no mathematics. One of Sir Issac Newton’s quote is “Nature is pleased with simplicity. And nature is no dummy”
Newton made seminal contributions to optics, and he shares credit with Gottfried Leibniz for the development of calculus.
Newton’s Principia formulated the laws of motion and universal gravitation, which dominated scientists’ view of the physical universe for the next three centuries.
By deriving Kepler’s laws of planetary motion from his mathematical description of gravity, and then using the same principles to account for the trajectories of comets, the tides, the precession of the equinoxes, and other phenomena, Newton removed the last doubts about the validity of the heliocentric model of the Solar System.
Newton built the first practical reflecting telescope and developed a theory of colour based on the observation that a prism decomposes white light into the many colours of the visible spectrum.
He formulated an empirical law of cooling, studied the speed of sound, and introduced the notion of a Newtonian fluid.
In addition to his work on calculus, as a mathematician Newton contributed to the study of power series, generalized the binomial theorem to non-integer exponents, developed a method for approximating the roots of a function, and classified most of the cubic plane curves.
Stephen William Hawking (born 8 January 1942) is an English theoretical physicist, cosmologist, author and Director of Research at the Centre for Theoretical Cosmology within the University of Cambridge. Among his significant scientific works have been a collaboration with Roger Penrose on gravitational singularity theorems in the framework of general relativity, and the theoretical prediction that black holes emit radiation, often called
Hawking radiation. Hawking was the first to set forth a cosmology explained by a union of the general theory of relativity and quantum mechanics.
He is a vigorous supporter of the many-worlds interpretation of quantum mechanics.His book his A Brief History of Time stayed on the British Sunday Times best-sellers list for a record-breaking 237 weeks. Hawking suffers from a rare, early-onset, slow-progressing form of amyotrophic lateral sclerosis (ALS), or motor neurone disease, that has gradually paralyzed him over the decades.
In his work, and in collaboration with Penrose, Hawking extended the singularity theorem concepts first explored in his doctoral thesis. This included not only the existence of singularities but also the theory that the Universe might have started as a singularity.
Nectar guides are markings or patterns seen in flowers of some angiosperm species, that guide pollinators to their rewards. Rewards commonly take the form of nectar, pollen, or both. These patterns are sometimes visible to humans; for instance, the Dalmatian toadflax (Linaria genistifolia) has yellow flowers with orange nectar guides. However, in some plants, such as sunflowers, they are visible only when viewed in ultraviolet light.
Under ultraviolet, the flowers have a darker center, where the nectaries are located, and often specific patterns upon the petals as well. This is believed to make the flowers more attractive to pollinators such as honey bees and other insects that can see ultraviolet. The ultraviolet color, invisible to humans, has been referred to as bee violet, and mixtures of greenish (yellow) wavelengths (roughly 540 nm) with ultraviolet are called bee purple by analogy with purple in human vision.
Want ultraviolet vision? You’re going to need smaller eyes.
Crittervision: See like a bee
Database shows how bees see world in UV
Hidden Patterns: How a Bee Sees the World of Flowers
Rabindranath Tagore (7 May 1861 – 7 August 1941), Gurudev, reshaped Bengali literature and music, as well as Indian art with Contextual Modernism in the late 19th and early 20th centuries. Author of Gitanjali and its “profoundly sensitive, fresh and beautiful verse”, he became the first non-European to win the Nobel Prize in Literature in 1913.In translation his poetry was viewed as spiritual and mercurial; Tagore introduced new prose and verse forms and the use of colloquial language into Bengali literature, thereby freeing it from traditional models based on classical Sanskrit. His novels, stories,songs, dance-dramas, and essays spoke to topics political and personal. Gitanjali (Song Offerings), Gora (Fair-Faced) and Ghare-Baire (The Home and the World) are his best-known works, and his verse, short stories, and novels were acclaimed—or panned—for their lyricism, colloquialism, naturalism, and unnatural contemplation.
ON THE NATURE OF REALITY
Albert Einstein in Conversation with
Albert Einstein and Rabindranath Tagore NYTimes