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Watch female dragonflies wrestle away unwanted males in mid-air
female dragonflies fight mood
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2021/8/10
When it comes to avoiding sexually aggressive males, some female dragonflies play dead. Others, according to a new study, wrestle the males away in midair.
New finding shows that males can drive creation of new species
males drive creation new species
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2016/2/22
Evolutionary biologists often debate on whether sexual selection can lead to new species. Most studies have focused on natural selection or, for the few studies that considered sexual selection, on ho...
All males are not created equal: Fertility differences depend on gamete recognition polymorphisms in sea urchins
created equal gamete recognition polymorphisms
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2015/12/17
Behaviors, morphologies, and genetic loci directly involved in
reproduction have been increasingly shown to be polymorphic
within populations. Explaining how such variants are maintained
by selecti...
Exercise-induced muscle damage is reduced in resistance-trained males by branched chain amino acids: a randomized, double-blind, placebo controlled study
Recovery, BCAA Muscle damage Resistance training
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2015/7/23
It is well documented that exercise-induced muscle damage (EIMD) decreases muscle function and
causes soreness and discomfort. Branched-chain amino acid (BCAA) supplementation has been shown to incre...
Conditions quadratiques pour des extrémales bang-singulières
Optimal control second order conditions control constraints singular arc bang-singular solutions
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2011/8/22
Abstract: This paper deals with optimal control problems for systems affine in the control variable. We have nonnegativity constraints on the control, and finitely many equality and inequality constra...
Mate finding, mating, and population dynamics in a planktonic copepod Oithona davisae: There are too few males
Mate finding mating population dynamics planktonic copepod Oithona davisae too few males
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2014/4/22
Three-dimensional (3D) video observations of free-swimming copepods revealed the mechanisms of mate finding in the cyclopoid copepod Oithona davisae (cephalothorax length 0.33 mm). The females are amb...
Female Antarctic seals give cold shoulder to local males（图）
Antarctic fur seals
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2007/2/11
8 February 2007，Female Antarctic fur seals will travel across a colony to actively seek males which are genetically diverse and unrelated, rather than mate with local dominant males.