Image of the Day: Brains and Braincases
Image of the Day: Brains and Braincases
The skull changed shape in different ways than the brain during evolution, according to a new comparative study.
Image of the Day: Brains and Braincases
Image of the Day: Brains and Braincases

The skull changed shape in different ways than the brain during evolution, according to a new comparative study.

The skull changed shape in different ways than the brain during evolution, according to a new comparative study.

chimpanzee
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
Why Chimpanzees Have Big Testes, and Mandrills Have Small Ones
Katarina Zimmer | Apr 16, 2019
For primates, males’ fancier ornaments are linked with smaller testes, according to a new comparative study.
Human Presence Influences Chimps’ Hunting Habits
Human Presence Influences Chimps’ Hunting Habits
Diana Kwon | Jun 26, 2017
Researchers find differences in predatory behavior between a long-observed chimp tribe and a recently habituated one. 
Companionship May Help Chimps Chill Out
Companionship May Help Chimps Chill Out
Joshua A. Krisch | Nov 2, 2016
Study suggests chimpanzees get by with a little help from their primate pals.
Project Seeks to Improve Image of Animal Research
Project Seeks to Improve Image of Animal Research
Kerry Grens | Sep 11, 2016
A new initiative in Germany aims to increase the public’s comfort with animal-based science; US government holds workshop on nonhuman primate research.
Decoding Human Accelerated Regions
Decoding Human Accelerated Regions
Katherine S. Pollard | Aug 1, 2016
Do the portions of our genomes that set us apart from other animals hold the secret to human evolution?
Contributors
Contributors
The Scientist Staff | Aug 1, 2016
Meet some of the people featured in the August 2016 issue of The Scientist.
Understanding Human Accelerated Regions
Understanding Human Accelerated Regions
Katherine S. Pollard | Jul 31, 2016
Fast-evolving regions of the human genome differentiate our species from all other mammals.
Nailing Down HAR Function
Nailing Down HAR Function
Katherine S. Pollard | Jul 31, 2016
A remaining challenge in the study of human accelerated regions (HARs) is establishing their specific functions during development and other biological processes.
Research Chimps Being Retired
Research Chimps Being Retired
Tanya Lewis | May 6, 2016
A Louisiana research center is sending more than 200 chimpanzees to a sanctuary in Georgia.