ผีเสื้อสงสัย

We should all celebrate this day with an act of science or skepticism. Plant the seed of inquiry and critical thinking, or take a moment to broaden your own horizons. I was up before dawn this morning and watched the morning stars fade behind the light of the rising sun. It brought to mind my . . . → อ่านเพิ่มเติม: สุขสันต์วันเกิด, คาร์ลเซแกน.