Lena GroegerScientific American Latest articles by Lena Groeger In Diverse Groups, We Choose Pals Like Us By Lena Groeger published 26 September 11 Diverse social circles lead to friends who are alike, but not necessarily closer Human Behavior Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Dell Pro 13 Premium review: Featherweight with a punch2Scientists transform pee into material fit for medical implants3Oldest wooden tools unearthed in East Asia show that ancient humans made planned trips to dig up edible plants4Astronaut snaps giant red 'jellyfish' sprite over North America during upward-shooting lightning event5One of the best-value Garmin watches has dropped to its lowest ever price
In Diverse Groups, We Choose Pals Like Us By Lena Groeger published 26 September 11 Diverse social circles lead to friends who are alike, but not necessarily closer