Kate's in Kenya, wondering: how do cold-brew and iced-coffee differ? Plus news from Staffordshire on why parsnips are so sweet. And do frozen pastries taste as nice as fresh ones? (S25 Ep3) [AD,S]
More favourite investigations. Kate and Helen get the scoop on vanilla. In the Netherlands, Matt explores the myth that Edam balls were once used as emergency cannon balls! (S17 Ep4) [AD,S]
A selection of favourite investigations. Kate Quilton visits McVitie's to ask why biscuits have little holes all over them. Jimmy Doherty finds out how wine bottle corks are made. (S17 Ep5) [AD,S]
A selection of favourite investigations. Jimmy Doherty visits Europe's biggest brewery. Kate Quilton challenges Matt Tebbutt to make crumpets. Plus: why is maple syrup so pricey? (S17 Ep6) [AD,S]
Some favourite investigations. Jimmy Doherty visits Spain to ask how much orange is in orange squash, Matt Tebbutt runs across a pond of custard and Kate Quilton lifts the lid on Marmite. [AD,S]
A selection of favourite investigations. Jimmy Doherty finds out what gives piquantÂe peppers their sweetness. Kate Quilton investigates potentially dangerous levels of mercury in tuna fish. [AD,S]
A selection of favourite investigations. Matt Tebbutt investigates oysters in China. Jimmy Doherty checks out London dry gin. Kate Quilton asks if herbal bedtime teas can help you nod off. [AD,S]