Shake, shiver, and tremble: Why dogs do it. Every dog owner has experienced their pooch shaking off water after a bath or a walk in the rain. But what about other instances of dog shivering, shaking, or trembling? A dog tremble, shake, or shiver can mean all kinds of different things â some good and some bad.
The strawberry the Romans feasted upon would bear little resemblance to what you would acknowledge as a strawberry from the grocery store today. That being said, Vavilov (the 'Father' of the study of botanical origins) placed the strawberry's centre of origin as South America, specifically Chile.
The largest strawberry producing country is the United States, growing 20-25% of the world's annual production; Spain is the world's second largest producer, with about 6-7%. Spain is also the world's largest exporter of fresh strawberries (Poland is the world's largest exporter of frozen strawberries).