Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

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The study provides convincing evidence for variable regeneration efficiency among planarian species that will be of interest to developmental biologists interested in regeneration. However, some of ...

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Did you know that we deliver to 130 countries or regions and offer a range of delivery options to suit you wherever you are in the world? Find out more Sign up once to our Selfridges+ service and you ...

An anchor can be referred to in one of two ways; as a directional vector, or as a named anchor string. When the object is cubical or rectangular in shape the anchors must have zero or one values for ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...