Warning: this video is full of sad science baby. But keep watchjng to find out why we cry, and why newborns eyes are dry. #baby #babies #sciencebaby #science #firsttimemom #firsttimedad #parenting #newborn #cutenewborn #newbornbaby #cute #cry #crying #empathy #icon #sad #tears #tearduct #hormonal #postnatal #babiesoftiktok #babytok #babytiktok #learnontiktok #fyp