Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats. But why are animal pupils shaped so differently?

Minutes matter when a surgeon is deciding how much tissue to remove. Yet for centuries, medical imaging has leaned on stains ...

Retained lens fragments are a frustrating complication that can challenge even the most meticulous cataract surgeon.While modern phacoemulsification has made the procedure remarkably efficient, the ...

The Delrama Anamorphic Adapter was touted as a cinema ‘miracle’ but was forgotten to history. Now, a YouTuber has unearthed one and put it to the test ...

Controlling light at the micro- and nanoscale opens up opportunities for a better understanding of the world and the development of technology. As modern electronics approaches the limits of its ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Not only do dirty eyeglasses look and feel terrible, but grease and ...

Slow shutter speeds and seascapes go together like jam and peanut butter. Here's why and how to use them to yo ...

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