<< When it comes to advancing social status, it's not what you know, it's who you know-for humans and spotted hyenas alike. >>
Layne Cameron. For hyenas, there's no 'I' in clan. Michigan State University. Mar 11, 2019.
https://m.phys.org/news/2019-03-hyenas-clan.html
Eli D. Strauss, Kay E. Holekamp. Social alliances improve rank and fitness in convention-based societies. PNAS Mar 11, 2019. doi: 10.1073/pnas.1810384116.
https://www.pnas.org/content/early/2019/03/05/1810384116
Also
# life: the "Snack Friends Effect" on careers to get some pulses, by Matthew. Mar 13, 2019.
https://flashontrack.blogspot.com/2019/03/life-friends-effect-on-careers-to-get.html