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RNA folding problem: Is it possible to accurately predict the secondary, tertiary and quaternary structure of a polyribonucleic acid sequence based on its sequence and environment? Protein design : Is it possible to design highly active enzymes de novo for any desired reaction?
Chesebrough was told it was a nuisance, except when someone had a cut or burn; they found that if it was rubbed on an injury, then it would lessen the pain and make the injury heal quicker. He then trade-named the jelly as Vaseline. In 1875, he founded the Chesebrough Manufacturing Company, a leading manufacturer of personal-care products.
List of unsolved problems may refer to several notable conjectures or open problems in various academic fields: Natural sciences, engineering and medicine [ edit ]
A wax coating makes this Manila hemp waterproof. A lava lamp is a novelty item that contains wax melted from below by a bulb. The wax rises and falls in decorative, molten blobs. Sealing wax was used to close important documents in the Middle Ages. Wax tablets were used as writing surfaces.
Most artificial sweeteners have been discovered when accidentally tasted, including aspartame and saccharin. [3] Ideas include the theory of the Big Bang, tissue culture, radio astronomy, and the discovery of DNA. [2] Such archeological discoveries as the Rosetta Stone, the Dead Sea Scrolls and the ruins of Pompeii also emerged partly out of ...
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Once the wax is molten, the lamp should not be agitated, or the two fluids may emulsify, and the fluid surrounding the wax blobs will remain cloudy rather than clear. Some recombination will occur as part of the normal cycle of the wax in the container, but the only way to recombine all of the wax is to turn off the lamp and wait for a few hours.
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