What Gets Featured on Blue Highway Signs?

We know rhubarb as a tart fruit that looks like pink celery, but it also has a bulbous underground storage unit that was used medicinally for millennia -- and lets it grow in complete darkness. Learn about the pie plant (and how rhizomes work) in this episode of BrainStuff, based ...  Show more

This marine bird carries the color of the ocean in its webbed feet, was named after an insult, and uses its excrement in creative ways. Learn about the blue-footed booby in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/blue-footed-b ...  Show more

The history of traffic signals is way more interesting than you might think. Trust us. 

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We often take traffic lights for granted, but regulating the flow of traffic takes a lot of planning and technology. Jonathan and Chris detail the technology behind traffic lights in this episode.

In the US those ubiquitous blue highway signs that tell you which direction you’ll find a Burger King have an interesting backstory. See omnystudio.com/listener for privacy information. 

From Google to TikTok to car companies, we look at stories that show how tech is tracking people in real time. How might that data be used for (or against) you? And is there anything we can do about it? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee o ...  Show more