Insect expert Eleanor Drinkwater takes on this listener's question...
How far back in time would you have to go, to notice that us humans looked different from our ancestors?
If there are microplastics in the sea, are they ending up in the fish we eat?
What's the best time of the month to have sex, if you want to get pregnant?
What would life be like without our planet's tilt?
Can some jellyfish live forever?
Will artificial intelligence make me redundant?
What we mean by the word "infertile"?
What effects could rising sea levels have?
How much of our planet's ocean have we mapped?
What is dandruff, and why can it re-occur?
Might your smartphone be bad for your sperm?
How worried should we be about climate change?
Are electric planes the vehicles of the future, or just a pipe dream?
What's going on in a wombat's stomach?
New legislation means that smokers see a graphic health warning on cigarette packaging as constant reminder of...
Can science help kick the habit?
It was over to planetary geologist David Rothery
Aye up, duck!
Why do we replace one unhealthy vice with another?
How do they work?
"Is it like gamete wacky races?"
And how are planets born in the first place?
Or is this behaviour unique to humans?
And how to plasma balls work?