pesticides
An Australian charity bought supermarket fruit and veg and sent it to a lab. In New Zealand, only the government does that, 300 samples a year. Its latest report found fipronil on NZ spinach. Here's what else it found, and what it doesn't test for.
gene technology
Fenton Hazelwood asked whose name is on the box when GM rules shift. Here's the same question from the shopping trolley: a GM tomato already approved here, a gene-silencing hive treatment being trialled here, and two rulebooks that disagree about what counts.
Fruit and Veg
The spear you buy this spring was powered by last autumn's fern. Here's what else went into it.
