The gift of science - The Documentary Podcast

What this episode covers

Our present to you is the science of gifts. First, we investigate the health benefits of donating blood, and find out about the predator sharing a feast of food in the Arctic. We are then joined in the studio by physicist Dr Krishma Singal from Rice University, who unravels the soft-matter physics and brilliant engineering potential of knitting. Next, we discuss the reputation of piranhas, enquire about the uniqueness of our sneezes, and break down how salting roads makes them safer in the winter.

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Frequently Asked Questions

How long is this episode of The Documentary Podcast?

This episode is 49 minutes long.

When was this The Documentary Podcast episode published?

This episode was published on December 25, 2025.

What is this episode about?

Our present to you is the science of gifts. First, we investigate the health benefits of donating blood, and find out about the predator sharing a feast of food in the Arctic. We are then joined in the studio by physicist Dr Krishma Singal from Rice...

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