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Why Chimpanzee Mothers Carry Dead Infants Up to 126 Days
Across 83 cases of infant corpse carrying, nothing about how long chimpanzee and bonobo mothers carry requires them to know death is permanent.
Sep 17
2
1
33:54
Wild Chimpanzees Teach Tool Use: 33 Transfers on Camera
At Dindefelo, Senegal, camera traps caught savanna chimpanzees handing tools to infants and others, and in all but one case the recipient reached first.
Sep 16
3
2
43:54
The Self-Processing Network Evolved Unevenly in Primates
A brain-scan study of humans, chimpanzees, and macaques finds the neural hub for self-awareness shifted from the insula to the cingulate cortex.
Sep 7
4
1
27:32
August 2026
Body Size and Habitat, Not Sociality, Predict How Many Calls a Primate Makes
A phylogenetic analysis of 77 species finds no signal from brain size or group size, and a strong one from the interaction between body mass and life in…
Aug 18
3
2
48:09
The Monkey That Climbs Like an Ape Is Rewriting the Rules of Hominin Locomotion
A wild monkey's flexible midfoot bends almost as much as a chimpanzee's ankle, complicating a key debate about our last common ancestor.
Aug 17
1
1
39:07
The Eyes Had It: What Primate Skulls Reveal About the Real Driver of Brain Expansion
A new endocast study of tarsiers, anthropoids, and their relatives finds that vision, not the frontal lobe, explains why primate brains ballooned over…
Aug 7
3
2
34:37
July 2026
When a Monkey Adopts a Marmoset
What 427 recorded cases of primates grooming dogs, carrying squirrels and adopting other species reveal about the deep roots of pet-keeping
Jul 29
5
2
47:07
The Reassurance Train
What a chimpanzee putting its fingers in another’s mouth tells us about the evolution of trust
Jul 22
3
1
36:26
The Mother Who Travels Farther So Her Kid Has Someone to Play With
A fifteen-year study of wild orangutans finds mothers steering toward specific neighbors’ territories days before their infants play, then steering home…
Jul 5
5
3
35:12
The Brain That Overshot Its Target
Why some primate lineages didn’t just catch up in brain size, but kept going
Jul 2
5
1
59:02
June 2026
The Obstetrical Dilemma Was Never Ours Alone
A new comparative study dismantles the long-standing idea that difficult childbirth is a uniquely human burden.
Jun 29
7
2
39:49
Primate Lifespans Span a Tenfold Range. The Rate of Aging Has Barely Moved in 25 Million Years.
New research on 39 captive primate species finds that what makes apes age slowly is ancient, fixed, and probably invisible to human genetics studies.
Jun 27
4
1
40:38
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