(PhysOrg.com) -- Sibling rivalry is driven by the transfer of wealth between generations, according to new research by anthropologists at the University of Bristol and Addis Ababa University.
(PhysOrg.com) -- Females with fewer sexual partners can explain where bird species have evolved to cooperate in the rearing of their young, according to Oxford University research.
(PhysOrg.com) -- Plants don't mind sharing space with their kin but when they're potted with strangers of the same species they start invigorating their leaves, a study by McMaster University reveals.
Plants may not have eyes and ears, but they can recognize their siblings, and researchers at the University of Delaware have discovered how.
(PhysOrg.com) -- “Mom always liked you best.” The Smothers Brothers aside, chances are if you’ve got a sibling, this is something you’ve either heard or said at some point in your life. Many people feel that their ...