Pucker up: Kids tasting lemons for the first time
Sour but sweet: Tots get first taste of lemonsPlay Video
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These kids' reactions are sour and sweet.
An adorable photo series from David Wile and April Maciborka called "pucker" captures the various reactions of babies who have just had a taste of tart citrus for the first time — from joy to confusion to that hilarious face for which it's named.