Why do plants produce oil?
How to plants move so quickly and trap flies?
Can you do genetic testing on trees to find out which individual trees are related?
We test our panelists' knowledge of their fruit and veg...
What is the plant version of a stem cell?
This time, Kevin asked why line drying makes clothes rougher and stiffer than tumble drying...
Would a scattering of your beloved's ashes be good for plant growth? Or could it be toxic?
We find out if street lights are affecting nature. Plus we ask, what is the tallest mountain possible?