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The chestnut-headed bee-eater ( Merops leschenaulti) is a bird in the bee-eater family, Meropidae, which is distributed in an area ranging from India, Bangladesh and Sri Lanka across Southeast Asia to Indonesia. It is 18–20 cm (7.1–7.9 in) in overall length and weighs 26–33 g (0.92–1.16 oz), with the sexes being similar in appearance.
Paper fortune teller. A fortune teller is a form of origami used in children's games. Parts of the fortune teller are labelled with colors or numbers that serve as options for a player to choose from, and on the inside are eight flaps, each concealing a message. The person operating the fortune teller manipulates the device based on the choices ...
Japanese swordsmithing. Japanese swordsmithing is the labour-intensive bladesmithing process developed in Japan beginning in the sixth century for forging traditionally made bladed weapons ( nihonto) [1] [2] including katana, wakizashi, tantō, yari, naginata, nagamaki, tachi, nodachi, ōdachi, kodachi, and ya (arrow) .
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Protein folding. Protein folding is the physical process by which a protein, after synthesis by a ribosome as a linear chain of amino acids, changes from an unstable random coil into a more ordered three-dimensional structure. This structure permits the protein to become biologically functional.
In structural geology, a fold is a stack of originally planar surfaces, such as sedimentary strata, that are bent or curved ( "folded") during permanent deformation. Folds in rocks vary in size from microscopic crinkles to mountain-sized folds. They occur as single isolated folds or in periodic sets (known as fold trains ).
The regular paperfolding sequence corresponds to folding a strip of paper consistently in the same direction. If we allow the direction of the fold to vary at each step we obtain a more general class of sequences. Given a binary sequence ( fi ), we can define a general paperfolding sequence with folding instructions ( fi ).
The new coaster is a nod to the original Zambezi Zinger, which was one of the park’s three coasters when Worlds of Fun opened in 1973. The new coaster will be 2,482 feet long and will reach ...