New study documents use of hormone progesterone in simple microscopic aquatic animals
A new study shows that humans and tiny aquatic animals known as rotifers have something important in common when it comes to sex.
A new study shows that humans and tiny aquatic animals known as rotifers have something important in common when it comes to sex.
Plants & Animals
Jun 14, 2010
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The absence of sexually related injuries cannot be used in court to infer that rape victims are "making it up," a new study reveals.
Social Sciences
Oct 6, 2023
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An international team of researchers led by Dr. James Umen at the Donald Danforth Plant Science Center has made a groundbreaking discovery in the world of developmental biology. In their latest study on volvocine green algae, ...
Cell & Microbiology
Jul 13, 2023
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Deeper male voices in primates, including humans, offer more than sex appeal—they may have evolved as another way for males to drive off competitors in large groups that favored polygyny, or mating systems where a male ...
Plants & Animals
Jul 13, 2023
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Scientists have developed a way to image sexual reproduction in living flowers, according to a study published today in the open-access journal eLife.
Ecology
Feb 11, 2020
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A single allergic reaction during pregnancy prompts sexual-development changes in the brains of offspring that last a lifetime, new research suggests.
Plants & Animals
Mar 21, 2019
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Boy or girl? For those who want to influence their baby's sex, superstition and folk wisdom offer no shortage of advice whose effectiveness is questionable at best—from what to eat to when to make love. But some animals ...
Plants & Animals
May 10, 2018
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102
(Phys.org) —Scientists from the Friedrich Miescher Institute for Biomedical Research identify a novel mechanism in early germ cell development. They show how the chromatin modulator PRC1 coordinates the timing of sexual ...
Cell & Microbiology
Mar 15, 2013
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Sex can trigger remarkable female responses including altered fertility, immunity, libido, eating and sleep patterns—by the activation of diverse sets of genes, according to research from the University of East Anglia.
Plants & Animals
Sep 11, 2012
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Double flowers—though beautiful—are mutants. The genetic interruption that causes that mutation previously helped scientists pinpoint the genes for normal development of flower sexual organs in Arabidopsis thaliana. Now ...
Evolution
Sep 4, 2012
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