Chimpanzees

A young chimpanzee makes eye contact. New research suggests that chimpanzees are capable of rational thought and changing their decisions when new evidence emerges. Illustration: depositphotos.com

Psychologists have discovered that chimpanzees are capable of rational thought, similar to humans.

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A team of researchers from the University of California, Berkeley, and partner institutions studied chimpanzees in the E-Ngamba Reserve in Uganda and found that they change their choices when given stronger evidence – a finding that places rationality at the center of
Dr. Jane Goodall arrives at the Los Angeles premiere of the Apple TV+ original series "Jane" (Season 1), held at the California Science Center on April 14, 2023. Illustration: depositphotos.com

Chimpanzee researcher Jane Goodall dies at 91: pioneer, scientist and conservation icon

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The researcher who changed the way we understand animals died in her sleep; in her final quotes she called for seeing every day as an opportunity to save the planet.
Evolution of man: display of skulls of our ancestors. Illustration: depositphotos.com

New research may explain why the human brain is so large and developed

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A new study conducted at the Hebrew University of Jerusalem presents an innovative method for inferring DNA methylation patterns in tissues that did not come from ancient skeletons, and provides a deeper understanding of the evolutionary processes that shaped the human brain and its functions
A female chimpanzee with her baby. Illustration: depositphotos.com

Sad chimpanzees give birth: childbirth is also a challenge for great apes

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Researchers simulated childbirth in chimpanzees and humans and measured the distance between the bony birth canal and the fetal head. The study shows that narrow birth canals relative to the size of the baby's head are not unique to humans
The gorilla Leah. Photo: Tivor Yeager, courtesy of the Safari

The evolution of facial expressions

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The primitive facial architecture of the gorilla as a key to understanding human facial expressions
Chimpanzees at Chester Zoo in the UK. Source: heatherlynneburrows / flickr.

Toddler's tool kit

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A troop of chimpanzees in the Congo. Photo: shutterstock

Chimpanzees have learned to cook

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Satellite photos showing the process of deforestation in the Congo. Photo: American Geophysical Union - AGU

Primates versus "development"

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A chimpanzee mother and her baby. Despite the difference in size, chimpanzees have many cognitive abilities similar to ours, with a few important exceptions. Photo: shutterstock

The hidden factor / Gary Stix

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The terrible chimpanzee beats humans in a memory game against a computer. Photo: Tokyo Institute of Technology

Play nice! / Jason J. Goldman

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Chimpanzees. Photo: shutterstock. Caption: Avi Blizovsky

Evolution in action: Chimpanzees use hand gestures to communicate when hunting

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The terrible chimpanzee beats humans in a memory game against a computer. Photo: Tokyo Institute of Technology

The chimpanzee is allowed from the human

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A grumpy and disappointed chimpanzee from Charles Darwin. From the book "Emotions in Humans and Animals (1872)

Scientists have reconstructed the evolutionary history of great apes in the last 15 million years

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A chimpanzee uses a stick to pick fruit from distant branches. Public domain image from Wikipedia

Suffering vs benefit

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