What makes stuff sticky?

On a recent kayaking trip, CrowdScience listener Lanier sliced through his right thumb, putting it out of action for a while. This made life difficult, as he couldn’t button his shirt, tie his shoelaces or type efficiently on his smartphone. Missing the use of his thumb made him ...  Show more

Noise cancelling headphones filter out sound waves that we don’t want to hear. Listener Ahmed in Libya loves wearing his and, as he was listening to them, he had a thought: ‘Could we cancel out light waves in a similar way to how noise cancelling headphones do it?’ He sent his qu ...  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.

< ...

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