Female flies respond to sensation of sex, not just sperm

Female fruit flies can feel when a sexual partner is a good fit. Scientists have long known that proteins in a male fly's ejaculate make female flies temporarily lose interest in other partners. It's a trick male flies use ...

Turning back the clock: Fasting prolongs reproductive life span

Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...

How sex differences influence lung injury in mice

More than 2,500 genes exhibit significant sex differences in expression in mouse alveolar type II cells (AT2s), which are important for keeping the lungs functioning, potentially explaining sex biases in the prevalence and ...

Team investigates sex-determination mechanisms in birds

Scientists have known that sex-determination in vertebrates happens in the germ cells, a body's reproductive cells, and the somatic cells, the cells that are not reproductive cells. Yet they have not fully understood the ...

Water processing: Light helps degrade hormones

Micropollutants in water often are hormones that accumulate in the environment and may have negative impacts on humans and animals. Researchers of Karlsruhe Institute of Technology (KIT) and Leibniz Institute of Surface Engineering ...

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