Biological & Biomedical Science
Q: How can a silicon implant chip help restore sight?

A: First, it is necessary to understand the anatomy and function of the eye, particularly the retina, and the cause of some diseases that result in the loss of vision.

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Chemistry
Q: Could we tell if left and right were reversed and we were in a looking-glass universe?

A: Yes—but it's not easy!

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Earth Science
Q: Why is there so much disagreement about the validity of climate change science?

A: Understanding the many and diverse physical, chemical, and biological interactions of the atmosphere, oceans, land, and ice is an exceedingly challenging and important intellectual undertaking.

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