| 14:39:16 | ◀︎ | How sloths breathe upside down |
הכותרות שעניינו הכי הרבה גולשים בדף זה
26/04/14 14:39
מאת BBC News
A Swansea University team has found out how sloths are able to spend up to 90% of their lives hanging upside down yet continue breathing normally.