Fetuses smile for carrots but frown for kale, new ultrasound study finds
![Fetuses smile for carrots but frown for kale, new ultrasound study finds](https://globalnews.ca/wp-content/uploads/2022/09/Untitled-design-37.jpg?quality=85&strip=all&w=720&h=480&crop=1)
Using 4D ultrasound technology, researchers examined the facial reactions of 32- to 36-week-old fetuses exposed to both carrot and kale flavours.
Using 4D ultrasound technology, researchers examined the facial reactions of 32- to 36-week-old fetuses exposed to both carrot and kale flavours.