Study reveals how differences in male and female brains emerge

Nematode worms may not be from Mars or Venus, but they do have sex-specific circuits in their brains that cause the males and females to act differently. According to new research published in Nature, scientists have determined ...

Love Island: Flamboyant males get the girls on Madagascar

Biodiversity hotspot Madagascar is one of the world's biggest islands, and home to some of its biggest insects. Now German scientists have discovered two new species of giant stick insect, living only in the dry forests of ...

Competition leads to fathers who produce more male sperm

New research led by The University of Western Australia has shown that the social conditions that a male experiences while growing up can influence the amount of X and Y chromosome sperm that he produces as an adult.

Warming seas wreck Great Barrier Reef's regrowth

Rising sea temperatures have wrecked the Great Barrier Reef's ability to regrow, researchers said Wednesday, highlighting for the first time a 90 percent fall in new corals since back-to-back heatwaves bleached the World ...

Fish study finds genes that regulate social behaviors

Genes in an area of the brain that is relatively similar in fish, humans and all vertebrates appear to regulate how organisms coordinate and shift their behaviors, according to a new Cornell University study.

Poor start in life need not spell doom in adulthood

Does the environment encountered early in life have permanent and predictable long-term effects in adulthood? Such effects have been reported in numerous organisms, including humans.

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