What makes stuff sticky?

Salt can be found in almost every kitchen in the world. But how did this seemingly simple ingredient become the world's favourite flavour enhancer? This week, Crowdscience sets out to uncover why these tiny crystals have such a powerful effect on us. We explore the magic behind t ...  Show more

Is the world sitting on a ticking time bomb? CrowdScience listener Christel recently watched a documentary about a volcanic eruption in 536 AD that left her native Sweden under a cloud of ash for three years. It got her thinking, do we know when this could happen again?With more ...  Show more

In this episode, Melissa and Jam explore the complex, but highly familiar and relatable concept of stickiness. It started as a lighthearted question from the end of "Why didn't Jam's pot ever boil?" and turned into its own episode. How do some things stick together s ...

As the UN tries to get a global agreement on plastic waste we hear from two delegates at the conference in Ottawa; John Chweya, a Kenyan waste picker, and plastics scientist, Steve Fletcher, discuss the impacts of plastic pollution and the possible solutions. Taylor Swift’s new a ...  Show more

#164

Something some common and useful in our everyday lives, from gloves to toy balls, what even is rubber? What makes it rubber, and what makes it different and unique from other substances? Also, where does it come from? Let's find out.

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Researchers have developed a medical imaging technique which reveals where in the body HIV lies hidden, even when people have their infection well controlled by antiviral drugs. The team at the University of California, San Francisco hope this will lead to better treatments and e ...  Show more