Like many plants, onions have defenses to ward off creatures that may want to eat them. Their secret weapon is a kind of natural tear gas.
Academic rigor, journalistic flair
Articles on Root vegetables
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When botany and linguistics collide: pumpkins are fruits and there’s technically no such thing as a vegetable. But try telling that to a five-year-old and see how far you get.
Everything you need to know about the humble spud.
