All the complements and accessories deserve that we give them the same maintenance so that they last longer. For example, weight-lifting gloves are washed with water, detergent and vinegar. Remove excess liquid […] Continue Reading Posted On : October 26, 2012 Published By : Felicia Rizky ...
Metals are solid at room temperature with the notable exception of mercury, a liquid used in older thermometers. They have luster, meaning that they reflect light, a property that often affords them value (e.g., copper, silver). They are malleable, meaning that they can be physically shaped...
which makes it hard to know how to classify certain coloring agents universally. Laws also tend to vary when it comes to what sorts of additives are “safe” to add to foods. Despite these roadblocks, a bit of research can often help uncover at least some basic information — and a few...
The sapphire and ruby crystals that form inside these rocks are usually quite small and getting them out of these rocks is an expensive and long process that often results in broken crystals. Luckily the corundum is even harder and the gems have been working their way free through weathering a...
The term “domain” also arose, allowing to segment, visualise and further classify protein structures (Fig. 1C). By that time, repetitive proteins (Fig. 1D) started to be studied (Ycas, 1976) and accumulated in the “Atlas of protein sequences and structure” by Margaret Dayhoff (Day...
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There are two classes of solids: crystalline and amorphous. Made up of crystals, crystalline solids tend to fracture along defined surfaces that have a characteristic shape, depending on the arrangement and forces among the atoms or molecules in them. Amorphous solids, however, lack any apparent ...
Although these ubiquitous and diverse entities are recognized as the smallest known life form, the lack of an autonomous development in some of them opens a new path at the root of the tree of life to a group of organisms that are unable to reproduce by themselves. Finally, Lannes et al....