DYK-DEZEMBRO-2017 blood

Blue blood

29 December, 2017

The blood of the octopus is not red, but blue

DYK-DEZEMBRO-2017 kiss


28 December, 2017

63% of dog owners regularly kiss their pets

DYK-DEZEMBRO-2017 dogs


27 December, 2017

Dogs are the only animals that can recognize human emotions

DYK-DEZEMBRO-2017 sleep


26 December, 2017

Sleep more than 8 hours causes lethargy