The Conversation
When fresh isn’t best: as cost of living bites, frozen and canned fruit and veg can bolster your two and five
Evangeline Mantzioris for the ConversationFrozen vegetables may actually be higher in some nutrients thanks to snap freezing, while fermentation can create new nutrients and improve absorption of existing ones
Where is the German cockroach actually from? We tested its DNA to trace its true origins
Theo Evans and Qian Tang for the ConversationIt’s likely the urban pest first emerged from its native lands about 1,200 years ago. As global trade accelerated, the hitchhikers made their way more rapidly around the world