Determining refractive index at relativistic speeds

If you studied advanced physics at high school, there's a good chance that you remember Snell's law, which states how a ray of light bends when it crosses a boundary between two media. According to this law, the ratio of ...

Plankton researchers urge their colleagues to mix it up

Comprising the base of the food web, plankton are extremely important to marine ecosystems. However, there is still much to be discovered about these organisms, and that's especially true for mixoplankton.

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