Results 81 to 90 of about 783,950 (329)

‘O sibling, where art thou?’ – a review of avian sibling recognition with respect to the mammalian literature [PDF]

open access: yes, 2004
Avian literature on sibling recognition is rare compared to that developed by mammalian researchers. We compare avian and mammalian research on sibling recognition to identify why avian work is rare, how approaches differ and what avian and mammalian ...
Barnard C. J.   +69 more
core   +2 more sources

Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review

open access: yesAdvanced Robotics Research, EarlyView.
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj   +2 more
wiley   +1 more source

Camp NERF: methods of a theory-based nutrition education recreation and fitness program aimed at preventing unhealthy weight gain in underserved elementary children during summer months

open access: yesBMC Public Health, 2016
Background The number of obese children in the US remains high, which is problematic due to the mental, physical, and academic effects of obesity on child health.
Laura C. Hopkins   +7 more
doaj   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

Antenatal dietary concordance among mothers and fathers and gestational weight gain: a longitudinal study

open access: yesBMC Public Health, 2020
Background Parent-child dietary concordance is associated with child diet, but the clinical implications of mother-father dietary concordance during pregnancy are unknown.
Roger Figueroa   +5 more
doaj   +1 more source

The value of a mouthful: Flight initiation distance as an opportunity cost [PDF]

open access: yes, 2015
Flight initiation distance of animals when approached by a potential predator reflects the risk that an individual is willing to take when the individual has to gauge the value of staying put relative to the cost of flight.
Møller, Anders Pape
core   +3 more sources

Diversity in Human Behavioral Ecology

open access: yesHuman Nature, 2014
As befitting an evolutionary approach to the study of human behavior, the papers in this special issue of Human Nature cover a diversity of topics in modern and traditional societies. They include the goals of hunting in foraging societies, social bias, cooperative breeding, the impact of war on women, leadership, and social mobility.
openaire   +2 more sources

Dual‐Functional Ingestible Passive Capsules for High‐Throughput Intestinal Sampling with Sealed Containment and Targeted Drug Delivery

open access: yesAdvanced Robotics Research, EarlyView.
To address challenges in high‐throughput intestinal sampling with sealed containment and target drug delivery, we developed a dual‐functional ingestible passive capsule with a dual‐triggered control system based on pH‐response and mechanical actuation.
Libing Huang   +9 more
wiley   +1 more source

Access to resources shapes maternal decision making: evidence from a factorial vignette experiment.

open access: yesPLoS ONE, 2013
The central assumption of behavioral ecology is that natural selection has shaped individuals with the capacity to make decisions that balance the fitness costs and benefits of behavior.
Geoff Kushnick
doaj   +1 more source

Painted Ferocity: The Social Behaviors of African Wild Dogs, Threats to Survival, and Resulting Conservation Initiatives [PDF]

open access: yes, 2018
African Wild Dogs (Lycaon pictus) are an endangered species of canid from Sub-Saharan Africa. They are very social communal hunters, and are capable of chasing down prey for long stretches of time. Wild dogs benefit a savannah ecosystem by regulating the
Valdes, Alexis
core   +1 more source

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