“In fact, we owe the expression “pecking order” to studies of the social relations among chickens by the Norwegian zoologist Thorleif Schjelderup-Ebbe,… — Jennifer Ackerman Pecking order Copy Share Image
“most expensive in the body, second only to the heart. Neurons may be small, but they’re costly to make and maintain, consuming… — Jennifer Ackerman Copy Share Image
“MIGRATION IS ANOTHER TRADE-OFF. Birds that migrate have smaller brains than their sedentary relatives. This makes sense, as a brain that consumes… — Jennifer Ackerman Copy Share Image
“It’s a notion that was proposed three decades ago by Jane Goodall and her colleague Hans Kummer. The pair made a plea… — Jennifer Ackerman Animals Copy Share Image
“Did the crows’ bill shape and specialized vision predispose them to tool crafting and use? Or did their tool-use behavior in response… — Jennifer Ackerman Dreams Copy Share Image
“Instead, each bird is interacting with up to seven close neighbors, making individual movement decisions based on maintaining velocity and distance from… — Jennifer Ackerman Copy Share Image
“Being in nature refreshes us by ... allowing us to surrender to involuntary attention: the effortless and often enjoyable noticing of sensory… — Jennifer Ackerman Focus Copy Share Image
“In scoping out the party crowd, does one face catch your eye? The Tierra del Fuegans have an expression, mamihlapinatapei, which is… — Jennifer Ackerman Copy Share Image
“I can't imagine pressing on relentlessly through day and night with mind, body, spirit in a single state, can't imagine denying myself… — Jennifer Ackerman Day and night Copy Share Image
