An exmple of metaphor in public science discourse:
"We are looking at it with X-ray telescopes and radio telescopes to see if maybe we can detect a little bit of emission from the black hole if it is eating the solar wind of its star, so a tiny bit of that gas is probably being captured by the black hole, and we will see if it is possible to detect any X-ray or radio emission from that."
Dr Kareem El-Badry
Kareem El-Badry, astrophysicist at Harvard University /
Caltech was interviewed on an episode of BBC's Science in Action
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Read about examples of science metaphors
Many examples of science metaphors are listed in 'Creative comparisons: Making science familiar through language. An illustrative catalogue of figurative comparisons and analogies for science concepts'. Free Download.