How do geckos stick to walls?

Hairspray seems simple… until you actually stop and think about it. How does it come out as a fine mist? Why doesn’t it dry up inside the can? How can it hold your hair in place without acting like glue? This week we’re unpacking the surprisingly clever chemistry behind one of th ...  Show more

Great teaching doesn’t happen in isolation—it happens in community. In this bonus BCCE Community Conversation preview, Melissa talks with chemistry educator Dr. Joanne Stewart about communities of practice: groups of educators who come together to share ideas, solve problems, and ...  Show more

We encounter sticky surfaces and sticky substances everyday, but what exactly IS “stickiness?” In this episode of Stuff to Blow Your Mind, Robert and Joe discuss the physical properties of stickiness and look at some very sticky examples from the natural world.See omnystudio.com/ ...  Show more

We encounter sticky surfaces and sticky substances everyday, but what exactly IS “stickiness?” In this episode of Stuff to Blow Your Mind, Robert and Joe discuss the physical properties of stickiness and look at some very sticky examples from the natural world. See omnystudio.com ...  Show more

We encounter sticky surfaces and sticky substances everyday, but what exactly IS “stickiness?” In this episode of Stuff to Blow Your Mind, Robert and Joe discuss the physical properties of stickiness and look at some very sticky examples from the natural world. See omnystudio.com ...  Show more

To activate or loosen their grip on a surface, geckos extend and angle or retract tiny toe hairs that create contact points. Clara Moskowitz reports    Learn more about your ad choices. Visit megaphone.fm/adchoices