cognition
Bees Appear Able to Comprehend the Concept of Zero
Bees Appear Able to Comprehend the Concept of Zero
Ashley Yeager | Jun 7, 2018
The insects correctly ordered an absence of black dots as “less than” a group of black dots.
Number-Selective Neurons Found in Untrained Crows’ Brains
Number-Selective Neurons Found in Untrained Crows’ Brains
Diana Kwon | Mar 15, 2018
The finding suggests corvids may have an innate sense of number.
Image of the Day: Red Alert
Image of the Day: Red Alert
The Scientist Staff | Nov 9, 2017
Researchers unveil the neural basis of alertness in larval zebrafish.   
Pigeons Can Switch Tasks More Quickly than Humans
Pigeons Can Switch Tasks More Quickly than Humans
Jef Akst | Sep 27, 2017
The birds’ ability to multitask may be attributable to a more densely packed cerebral cortex, scientists propose.
Studies: Ketogenic Mice Live Longer, Healthier Lives
Studies: Ketogenic Mice Live Longer, Healthier Lives
Bob Grant | Sep 5, 2017
High-fat, low-carbohydrate diets are shown to increase lifespan and preserve memory in two independent mouse experiments.
Image of the Day: How To Train Your Dolphin
Image of the Day: How To Train Your Dolphin
The Scientist Staff | Jun 1, 2017
Capitalizing on dolphins' astute and playful nature, scientists devised an underwater interactive touchscreen game to help them study and interact with these creatures.
Human Cord Plasma Protein Boosts Cognitive Function in Older Mice
Human Cord Plasma Protein Boosts Cognitive Function in Older Mice
Abby Olena | Apr 19, 2017
A protein found in human umbilical cord plasma improves synaptic plasticity, learning, and memory in aged mice.
Slideshow: Nerdy Birdies
Slideshow: Nerdy Birdies
The Scientist Staff | Nov 30, 2016
Meet the pigeons that are redefining what it means to behave like a human by displaying remarkable pattern recognition abilities.
Opinion: Assessing Frans de Waal’s Assessment of Animal Intelligence
Opinion: Assessing Frans de Waal’s Assessment of Animal Intelligence
Rik Smits | Nov 8, 2016
In his latest book, the famed primatologist replaces one dogma with another.
Apes Seem Capable of Inferring Others’ Thoughts
Apes Seem Capable of Inferring Others’ Thoughts
Bob Grant | Oct 7, 2016
Researchers suggest that some nonhuman primates can anticipate the actions of other animals.