City Birds Are Smarter Than Country Birds, New Study Finds Birds living in cities change cognition, behavior, and physiology to adapt to their busy urban surroundings.
Horses Can Quickly Read Human Emotions, and They Respond Accordingly When viewing angry facial expressions, the horses showed more stress-related behaviors.
New Dog IQ Test May Offer Clues for Dementia Research A dog's intelligence is structurally comparable to that of humans.
Jumping Spiders: Smarter than the Average Spider Recent study finds that arachnids demonstrate "genuine cognition."
How Smart Are Crows? The Answer May Shock You. Biologists say they are smarter than the average seven-year-old child.
Pigeons Can Identify Cancerous Breast Tissue as Well as Doctors In only 15 days, scientists trained pigeons to distinguish between cancerous and noncancerous images with 85 percent accuracy.