Why is yawning contagious? Your yawn reflex, explained. | JUST CURIOUS USA TODAY 1:08 8 months ago 5 327 Скачать Далее
Why do we yawn? | #aumsum #kids #science #education #children It's AumSum Time 1:06 6 years ago 162 725 Скачать Далее
Why is yawning contagious? | #aumsum #kids #science #education #children It's AumSum Time 0:58 6 years ago 152 723 Скачать Далее
🥱Why do you copy others Yawn#facts #youtubeshorts #ytshorts InfoNote 0:22 1 month ago 19 Скачать Далее
Why Is Yawning Contagious? - Instant Egghead #52 Scientific American 2:36 10 years ago 25 517 Скачать Далее
