Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

Some of the smallest marine species are actually the most important because all other life depends on them. Phytoplankton are probably the most important, but just above them in the food chain are ...

The kick-off signal for puberty begins in the brain. Specifically, in the hypothalamus, where specific neurons release a hormone that activates the hypophysis, at the base of the skull, which then ...

For sexual reproduction to yield healthy offspring, newly generated oocytes—immature egg cells—must receive the correct amount of DNA after cell division. This process of segregating chromosomes ...

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.

U.S. collaboration with the participation of the European Neuroscience Institute Göttingen (ENI-G), researchers have shown that fruit flies can adapt their social behavior and learn from these ...

The Amazon rainforest is often associated with jaguars, parrots, and towering trees. Yet the majority of animal life in this ...

A children’s book that includes illustrations of animals mating will remain on the shelves of several Orange County middle school libraries after a divided school board vote, despite objections from ...

A 3D rendering showing the internal structure of an animal cell, with several round or wavy structures inside a border. It turns out that the redox state of a cell, such as the animal cell shown, is ...

Temperature changes have always played a crucial role in the natural world, impacting various aspects of animal life. Among the most sensitive processes affected by temperature fluctuations is ...