Cultural learning permeates human skill and knowledge acquisition. To understand its importance for nonhuman apes, we analyzed just under 7000 records of behavioral bouts of social and individual lear...

Abstract. Whether non-human animals can experience complex emotions like jealousy remains debated. In humans, jealousy is particularly salient in sibships,

Crossbow bolts, sandals, slingshots, and more.

Siblings are an important part of an individual’s early-life environment and may therefore play an important role in shaping an individual’s survival. The quantification of sibling effects on survival is challenging, however, especially in long-lived ...