Dolphins spontaneously chose a prosocial course of action that benefited their fellow dolphins. http://www.sciencedirect.com/science/article/pii/S037663571630359X …pic.twitter.com/UlHNTr9SqJ
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
How can you say that? It is the norm in chimps and bonobos. Read de Waal and his colleagues' reports on this for 30 years now!
Look at this one, for example: http://rspb.royalsocietypublishing.org/content/273/1589/1013.short …
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.