Cryptography is the art of creating and deciphering codes that allow information to be kept secret. It is a way of storing data in concise form and sending it so that nobody other than whom it is meant for may read or understand it. In the present computer-based world, concealing is done by changing plain […]
• Common name : Calendula, Pot Marigold, Field Marigold • Scientific name : Calendula arvensis • Family : Asteraceae • Native land : Central and Southern Europe Calendula is an annual and perennial herbaceous plant. It grows among the long grass of fields and displays its golden flowers from spring to autumn and again in
• Common name : Winter Gem Boxwood, Korean Boxwood • Scientific name : Buxussinica var. insularis • Family : Buxaceae • Native land : Southern and Eastern Asia, British Isles Buxus is an evergreen broadleaf shrub. It is very compact, grows wider than tall, and the annual growth rate is about 25 mm. This plant
• Common name : California Buttercup • Scientific name : Ranunculuscalifornicus • Family : Ranunculaceae • Native land : California California buttercup is a flowering perennial. It grows up to 3 feet tall. The numerous stems sprawl to erect 15 to 50 cm long. The stems generally have several shiny, lemon-yellow flowers in an open
The word ‘utopia’ is used for an imaginary state of perfection. It means ‘a good place’. Utopia symbolizes people’s hopes and dreams. The origin of this word comes from Sir Thomas More’s book ‘Utopia’. This book was published in 1516, in which he talks about a fictional land which is ideal in every way. Some
• Common name : Burdock, Common Weed • Scientific name : Burdock arctium • Family : Asteraceae • Native land : Europe and Northern Asia Burdock is a biennial herbaceous plant. This plant grows relatively tall; therefore, it has deep roots which are brownish green, or nearly black on the outside. Its leaves are large,
Diamonds are the hardest substances that are known to man. They are very precious because they are rare. A diamond is one of the most expensive minerals, till date. If reflects light rays in a unique way, due to which it appears like a sparkling crystal. In their natural form, diamonds are not beautiful; rather,
• Common name : Buckwheat • Scientific name : Fagopyrumesculentum • Family : Polygonaceae • Native land : China Buckwheat is a herbaceous annual plant. Buckwheat is not a cereal grain, but is actually a fruit seed. It is native to China, but now commonly cultivated in Bhutan, Korea, Mongolia, Myanmar, Nepal, Russia and Sikkim;
When a river or a stream suddenly ends at the edge of a cliff and gushes down over the side or wall of a rock, it is known as a waterfall. Waterfalls are commonly formed in the upper course of a river in steep mountains. A huge waterfall is known as a cataract. A small
• Common name : Brussels sprout • Scientific name : Brassica oleracea(Gemmifera Group) • Family : Brassicaceae • Native land : Belgium Brassica oleracea is a herbaceous annual plant. Brussels sprout is a slow growing, long-season vegetable crop. It reportedly won its name after becoming popular in Brussels, Belgium, in the 1200s. It is a
Marble is a metamorphic rock formed from limestone. Hundreds of years ago, deep inside the Earth, huge masses of molten rock called limestone were present. In this high temperature and under extreme pressure, limestone got turned into hard marble. Marble is a beautiful rock. It is white in its purest form. However, presence of certain
• Common name : Brazil Raintree, Morning-noon-and-night, Yesterday-today-and-tomorrow • Scientific name : Brunfelsiapauciflora • Family : Solanaceae • Native land : Woodland areas of Brazil Brunfelsia is a deciduous or evergreen woody perennial. It grows up to 8 feet tall with several stems. The leaves are leathery and semi-evergreen, dark green above and pale beneath.
• Common name : Bush Violet, Jamaican Forget-me-not • Scientific name : Browalliaamericana • Family : Solanaceae • Native land : Tropical Latin America, from Mexico and the Caribbean, south to Peru and Brazil Browallia is a true annual flowering plant. Browallia is a bushy plant that fills the gaps in the garden with bright,
The oldest musical instruments ever are flutes made from mammoth-ivory and bird-bone. In most likelihood, a flute made of a vulture-bone found in a cave in Europe is the oldest identifiable musical instrument. The time period may have been around 40,000 years ago. Mammoth-ivory flute fragments have also been found. Flute makers must have used
• Common name : Brassica Flowers, Ornamental Cabbage, Kale • Scientific name : Brassica oleracea • Family : Brassicaceae • Native land : Coastal Southern and Western Europe Brassica is a herbaceous annual, biennial, or occasionally perennial with smooth, glaucous (waxy), rounded lower leaves. This genus includes the cabbages and the mustards. It is a