Sexual development of an organism determines the life that the organism will have. Their nervous system, genes and other molecules within the body will result in a distinguishing behavior that is preset for them just because of their sex. Surprisingly, with the help of small worms, more specifically C. elegans, and the way they defecate, researchers Dr. Michael Hart and Dr. Oliver Hobert of Columbia University have found more in...

Imagine a train station connecting the entire world. From one platform you can take a train from New York, New York to Shanghai, China while from another you can take one from Sydney, Australia to Reykjavik, Iceland. Through this one train station the world can be easily connected to each other and would create a hub of commerce and easy communication. This imaginary train station resembles the hub sensory neuron found in the ma...

Sexually reproducing animals generally come in two sexes that can differ dramatically in anatomy and behavior to facilitate mating and reproduction. Interestingly, individuals of each sex are often born with the instincts and ability to mate with the opposite sex. These sex differences in behavior are due to sex differences in the nervous system. How do the neural circuits that control sexually dimorphic behaviors differ, and wh...

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