26
15
Dogs may wag their tails so much due to rhythm-loving humans, scientists say
(www.theguardian.com)
27
28
29
30
31
32
33
34
35
36
37
38
39
40
15
Elephants give each other names — the 1st non-human animals to do so, study claims
(www.livescience.com)
41
42
43
14
Dutch scientists left a hamster wheel outside. Then, all the animals started playing with it
(www.zmescience.com)
44
45
46
47
48
49
50