Article from the website richarddawkins.net.
Scientists from the University of Queensland in Australia have discovered that mantis shrimp have an incredibly useful ability – the marine creatures are able to see a variety of cancers inside our bodies. And they’ve now replicated that ability in a camera that could eventually be put into a smartphone.
Mantis shrimp can see cancer, and the activity of our neurons, because they have unique eyes, known as compound eyes. This type of eye is superbly tuned to detect polarised light – a type of light that reflects differently off different types of tissue, including cancerous or healthy tissue.
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