Scientists who answered why zebras have black and white stripes pose the question to pandas http://bit.ly/2lPDmdp pic.twitter.com/CbzoRfAtsU
3:00 AM - 6 Mar 2017
0 replies
184 retweets
278 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.