Results 91 to 100 of about 1,409,120 (251)

Bioinspired Soft‐Skeleton Robotics With Cooperative Shape Transformation and Stiffness Adaptation

open access: yesAdvanced Robotics Research, EarlyView.
A bioinspired soft‐skeleton robot that integrates variable‐stiffness chain skeletons into a soft textile skin is developed. The chain skeletons are highly flexible initially but can stiffen upon pneumatic actuation, enabling large deformation and enhanced load‐bearing capacity.
Mengyuan Niu   +5 more
wiley   +1 more source

Nesting biology of four Tetrapedia species in trap-nests (Hymenoptera:Apidae:Tetrapediini)

open access: yesRevista de Biología Tropical, 2005
The nests used in this study were obtained from trap-nests (tubes of cardboard and cut bamboo stems) placed on Santa Carlota Farm (Itaoca Section-IS, Santana Section-SS and Cerrado-Ce), Cajuru, SP, Brazil.
Evandro Camillo
doaj  

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Building a path in cell biology

open access: yes, 2012
Setting up a new lab is an exciting but challenging prospect. We discuss our experiences in finding a path to tackle some of the key current questions in cell biology and the hurdles that we have encountered along the ...
Cheeseman, Iain M, Voeltz, Gia
core   +1 more source

Consensus Formation and Change are Enhanced by Neutrality

open access: yesAdvanced Science, EarlyView.
Neutral agents are shown to enhance both the formation and overturning of consensus in collective decision‐making. A general mathematical model and experiments with locusts and humans reveal that neutrality enables robust consensus via simple interactions and accelerates consensus change by reducing effective population size.
Andrei Sontag   +3 more
wiley   +1 more source

Nesting biology of Centris (Hemisiella) tarsata Smith in southern Brazil (Hymenoptera, Apidae, Centridini)

open access: yesBrazilian Journal of Biology
A total of 67 nests of Centris tarsata were obtained from wood trap-nests of different diameters, consisting of a linear series of brood cells built with sand mixed with oil.
M. L. T. Buschini, L. L. Wolff
doaj   +1 more source

Blood Oxygen Stores of Olive Ridley Sea Turtles, Lepidochelys olivacea, Are Highly Variable Among Individuals During Arribada Nesting [PDF]

open access: yes, 2019
Sea turtles are mostly pelagic, air-breathing divers that can become neritic during nesting season. Sea turtles dive with a full lung of air and these O2 stores are supplemented by O2 stored in blood.
Arango, B. Gabriela
core  

Adult Sex Ratio as a Demographic Feedback Linking Mating Systems, Parental Care, and Evolution

open access: yesAdvanced Science, EarlyView.
Breeding systems are some of the most diverse social behavior, and our team is investigation the evolutionary causes of this diversity. This review summarises our research carried out at the University of Bath. We argue that demographic components of wild populations, especially the adult sex ratio, plays a key role driving breeding system variation ...
Tamás Székely, Oscar G. Miranda
wiley   +1 more source

Do bare soil landscapes encourage ground nesting bees? [PDF]

open access: yes, 2018
Most bee species are ground-nesters, yet knowledge on this vast group remains sparse when compared to their better-known cousins, honeybees and bumblebees. Whilst evidence on the effectiveness of ground-nesting bee species as crop pollinators is growing,
Tsiolis, K.
core  

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