[thedoc (OP)]

How did speech evolve, why do you need bacteria and fish food for aquaponic systems, do growth factors in anti-ageing creams really work, what treatments are there for allergies and how do UV lights vaporise fat in commercial kitchens? Plus, delving into the secrets of sleeping sickness.
Listen to this Show
or
If you want to discuss this show, or ask a question, this is the place to do it.