µ¿¿µ»ó°­ÁÂ
  CF·Î ¹è¿ì´Â¿µ¾î
  »ýÈ°¼ÓÇ¥Çö
  ¿µ¾î´º½º
  ¿Àµð¿À*ºñµð¿À ¼ö¾÷
  ¿À´ÃÀÇ µ¿¿µ»ó
  °­»ç°¡ µé·ÁÁÖ´Â ±ÝÁÖÀÇ ¸í¾ð
Ȩ > Ä¿¹Â´ÏƼ > ¿À´ÃÀÇ µ¿¿µ»ó   
 
Can Birds Actually Deliver Messages?
°ü¸®ÀÚ 2019-04-26 ¿ÀÈÄ 1:25:25 1963

 

QUESTIONS: 

1. How were carrier pigeons useful 3000 years ago? 

2. Elaborate on how to train pigeons to fly back and forth between two locations reliably. 

3. What¡¯s the most common bird in your town/country? Do you like


÷ºÎÆÄÀÏ Uploaded File : 20190426132514_GARQH.jpg  
The Scientific Power of Meditation
Should You Get Lip Fillers?