Results 81 to 90 of about 107,343 (291)

Bio‐inspired nanophotonics: Structural color, chirality, and resonance metasurfaces

open access: yesInfoMat, EarlyView.
A butterfly‐wing‐inspired anisotropic plasmonic flatband resonant metasurface. Insets, photo of the butterfly, Sasakia charonda, and the SEM image of its wing scale (above); the SEM image of the metasurface (below). Abstract The dazzling colors of butterfly wings and hummingbird feathers are not painted with pigments, but crafted by nature's invisible ...
Weihan Liu, Yao Liang, Din Ping Tsai
wiley   +1 more source

Mate recognition and reproductive isolation in the sibling species Spodoptera littoralis and Spodoptera litura

open access: yesFrontiers in Ecology and Evolution, 2014
Mate recognition is crucial for reproductive isolation and for maintaining species integrity. Chemosensory-mediated sexual communication with pheromones is an essential component of mate recognition in moths.
Ahmed M Saveer   +5 more
doaj   +1 more source

An ant colony optimization approach for maximizing the lifetime of heterogeneous wireless sensor networks [PDF]

open access: yes, 2011
Maximizing the lifetime of wireless sensor networks (WSNs) is a challenging problem. Although some methods exist to address the problem in homogeneous WSNs, research on this problem in heterogeneous WSNs have progressed at a slow pace.
Chung, H.S-H.   +5 more
core   +1 more source

Ovulating Female of Nine‐Spined Sticklebacks (Pungitius sinensis) Are Attracted to Substances Derived From Male Kidneys

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT Male sticklebacks (Gasterosteidae) produce an adhesive protein called “spiggin” in the tubular epithelial cells of their kidneys, which they use to attach plants or plant debris together and build nesting sites. Spiggin is a glycoprotein excreted in urine.
Miki Nagaya   +2 more
wiley   +1 more source

The male sex pheromone darcin stimulates hippocampal neurogenesis and cell proliferation in the subventricular zone in female mice

open access: yesFrontiers in Behavioral Neuroscience, 2015
The integration of newly generated neurons persists throughout life in the mammalian olfactory bulb and hippocampus, regions involved in olfactory and spatial learning.
Emma eHoffman   +6 more
doaj   +1 more source

Discovering Regression Rules with Ant Colony Optimization [PDF]

open access: yes, 2015
The majority of Ant Colony Optimization (ACO) algorithms for data mining have dealt with classification or clustering problems. Regression remains an unexplored research area to the best of our knowledge.
Fayyad U., Janssen F., Quinlan J.
core   +1 more source

Proximity to bait and social interactions influence individual wild pig (Sus scrofa) visitation at bait sites

open access: yesThe Journal of Wildlife Management, EarlyView.
Individual wild pig bait site visitation and time to initial detection is primarily influenced by space use (i.e., proximity to bait) and whether wild pigs from other social groups visited before. Specifically, females are less likely to visit a bait site if an adult male visits a site before them.
Sydney M. Brewer   +2 more
wiley   +1 more source

Hidden Gems in the Transcriptome Maps of Competent Streptococci

open access: yesFrontiers in Molecular Biosciences, 2019
Natural transformation is regarded as an important mechanism in bacteria that allows for adaptation to different environmental stressors by ensuring genome plasticity.
Roger Junges   +4 more
doaj   +1 more source

Social and cultural considerations for the restoration of ‘lost’ tree species: The fall and rise of elm

open access: yesPeople and Nature, EarlyView.
Abstract Attempts to address biodiversity loss have led to ecosystem and species restoration efforts. Tree species restoration is particularly relevant because of increasing threats from pests and pathogens. However, there are different notions of ‘loss’, as well as sociocultural considerations, including social acceptability, which are often neglected
Fritha West   +4 more
wiley   +1 more source

De novo formation of an aggregation pheromone precursor by an isoprenyl diphosphate synthase-related terpene synthase in the harlequin bug. [PDF]

open access: yes, 2018
Insects use a diverse array of specialized terpene metabolites as pheromones in intraspecific interactions. In contrast to plants and microbes, which employ enzymes called terpene synthases (TPSs) to synthesize terpene metabolites, limited information ...
Ghosh, Saikat Kumar B   +17 more
core   +3 more sources

Home - About - Disclaimer - Privacy