Australasian Science: Australia's authority on science since 1938

Along Came a Spider

A large female golden orb-web spider

A large female golden orb-web spider is often surrounded by many small males competing for proximity to her on the web. But size isn’t the only factor determining who wins each fight.

By Michael Kasumovic

The comparative size and weight of two animals determines the outcome of 80% of fights. Now a small spider has revealed the physiological factors that help explain the other 20% of contests.

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