Questions with the keyword 'origin'

• which came first the chicken or the egg? by jemmaa and 1 other. to Asif, Laura, Lena, Sean, Viv Comments: (so far, 3s comments )
• how did the first living thing get created by cowen and 3 others. to Asif, Laura, Lena, Sean, Viv Comments: (No comments so far )