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...German physician Paracelsus explored the relationship between dose and response. To paraphrase his conclusion: All things are poison and nothing without poison. Solely the dose determines that a thing is not a poison. The toxicity of a chemical is often stated in a way that relates the dose to the subject, such as an animal or human, and the time of exposure. For example,...

...German audio archive. Their work has applications in automatic translation and film dubbing, as well as medical imaging (see panel), but the principal aim is for the technology to be used alongside traditional methods used by historical linguists to understand the process of language change over thousands of years. “From my point of view, it’s amazing that we can turn...

...German Shepherds different? What about designer dogs? This science article explores...Find out more about The Open University's Biology qualification. [Small puppy laying in the grass in a park] When an interesting or useful trait is identified in a dog, owners would breed from that dog in the hope of the trait being passed on. Over many rounds of such breeding attempts,...