Can we turn deserts green?
Can we turn the world’s deserts green? CrowdScience listener Youcef is captivated by the idea of bringing water back to Earth’s driest landscapes. Wit...
How big is a rainbow?
When listener Sakura’s husband came home from his morning walk in Cambridgeshire, UK, he told her about a massive rainbow he’d seen. But when he showe...
Why do we cry?
Tears of joy, tears of sadness, tears of frustration or tears of pain - humans are thought to be the only animals that cry tears of emotion. CrowdScie...
Do tsunamis affect marine life?
Tsunamis destroy buildings, habitats and danger to everything in its path on land. But how do they affect life under the water? That's what CrowdScien...
Are near-death experiences real?
In your final moments, they say, you may walk down a tunnel of light. You might rise above your body, watching the scene below before passing into ano...
Why do people love horror films?
For some they’re the stuff of nightmares, but many of us can’t get enough of horror films. For Halloween, CrowdScience investigates the science of why...
Should we help maggots and caterpillars?
We all know insects are important, but one CrowdScience listener worries that they don’t seem to have equal billing when it comes to human love and at...
Can we record our senses?
How would you record a special moment? Maybe you could take a photograph, film a little video, or record some audio. We have lots of ways of recording...
Are atoms immortal?
Atoms are the building blocks of our world. Many have been around since right after the Big Bang created the universe nearly 14 billion years ago. And...
Why are some animals black and white?
Listener Jude in Canada wants to know why some animals are black and white. Why do zebras risk being so stripy? Why do pandas have such distinct marki...