To touch grass, venture outdoors and take a break from doom-and-gloom news, what can one do to pass the time without a smartphone? Perhaps they can take a peek into the infinitesimal world outside ...

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We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Remember those Billy Nye the Science Guy episodes that transported you to hidden worlds ...

For centuries, biological imaging has relied on dyes and fluorescent labels to visualize cellular structures -- a practice that not only alters samples but can delay critical medical decisions.