Yawning is contagious — even in the womb
Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its mother.
Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its mother.
We summarize the week's scientific breakthroughs every Thursday.
Stop and smell America’s state flowers at the U.S. Botanic Garden in Washington, D.C., open now through October 12, 2026.