CrowdScience Episodes Available now
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kr303n.jpg)
Is anything truly random?
A question about bathroom tiles has us wondering whether everything is pre-determined
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kpk7qb.jpg)
Why can't I remember my early childhood?
Some huge milestones happen in our first years of life - but why do we forget them?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kn4tp3.jpg)
Is my smartwatch good for my health?
Do smartwatches reliably monitor fitness? And can they make us healthier?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0klmmcn.jpg)
How high can birds fly?
What altitude can birds cope with, and which species soars highest?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kkb9hb.jpg)
Which animal has the biggest carbon footprint?
Humans emit far too much planet-warming carbon, but what about other species?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kh5dc6.jpg)
Is beer better without alcohol?
How does non-alcoholic beer differ from the original - and is it better for us?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kdrq1f.jpg)
Why am I embarrassed when I fall?
Falling can be serious – so why do we find it embarrassing or even funny?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kd2lxw.jpg)
I didn’t know that!
Did you know that flies fly in rectangles and fish hide by lighting themselves up?
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kd2c66.jpg)
Will the Earth ever lose its Moon?
Anand Jagatia is joined by a panel of experts to answer listener questions about the Moon
![](https://ichef.bbci.co.uk/images/ic/320x180/p0kbhsd0.jpg)
Why does pain sometimes feel good?
What makes people seek out unpleasant or painful sensations, like eating chilli?