Issue 41 (December 2025) of CURIOUS is out now, bringing you science highlights for the month plus deep dives into intriguing topics, interviews, exclusives, diary dates, and explanations for some of Earth’s most perplexing natural phenomena and landscapes.

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In This Issue…

OUR COVER STORY: The Science Of Magic

Can magic be wielded as a scientific tool?

DEEP DIVE: Does Imagination Decline As We Age?

Does it fade with time or get replaced by something else?

WE HAVE QUESTIONS: Are There Plants That Can Photosynthesize By Moonlight?

And how does cloudy weather affect the process?

WHERE ON EARTH: The World’s Clearest River

Brazil’s Sucuriú River is so clear that you can see its entire contents just standing on dry land.

Exclusive: Meet author Yossi Yovel and read an excerpt from his new book The Genius Bat.

Plus: News, diary dates, what to see, watch, and read this month, and much more.