Given the vast number of different beetle species on Earth, do we not live in the age of the beetle? And if so, what was the beetle that surprised one listener by nipping him on the toe?
Why does the Moon always point the same face towards the Earth and why does it appear that the bright side of the Moon does not always point towards the Sun?
And finally, what can or should be done about the vast numbers of plastic bags consumed by the agricultural industry?
On the panel are astronomer Dr Carolin Crawford of the University of Cambridge, soil scientist Dr Chris Collins of the University of Reading and entomologist Richard Jones. As always we want to hear your comments on the topics discussed and any questions you might want to put to future programmes.
Don't forget we want to hear your observations of House Martins; have they returned this year and when, and have they bred successfully?