New: lsteemitAll contenthive-129948hive-196917krhive-180932hive-150122steemzzanphotographyhive-185836hive-183959hive-144064hive-166405hive-188619hive-145157hive-183397hive-101145uncommonlabhive-184714hive-193637hive-139150hive-103599hive-109690hive-180301hive-113376hive-138689TrendingNewHotLikersleonardzheng0 (31)in globa • 8 months agoCan dogs distinguish red and green lights?Dogs are color blindness. In their eyes, only black, white and gray, and guide dogs can recognize "traffic lights" because although they can't see "red and green", they can be seen in light and…leonardzheng0 (31)in lifestyle • 8 months agoWhy does a cuckoo say?Birds can make a call, mainly dependent on the tweet. The pipe of the parrot is very complete. It has 4-5 pairs of luming muscles. Under the control of the nervous system, these luming muscles can…masud91 (55)in photography • 7 years agoIt's meMy name is Masud Khan, I am a simple boy. I'm so poor I used to teach private and spend my Education.
