Biology
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Australia's Fertility Rate Pre and Post Covid
https://blog.id.com.au/2022/population/population-trends/australias-birth-rate-increases-for-the-first-time-in-10-years/ more
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Bateman's principle
https://en.wikipedia.org/wiki/Bateman%27s_principle
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What animals display the least sexual dimorphism?
Many bird species have very little sexual dimorphism. It takes an expert breeder to tell male and female peach-faced lovebirds apart, for example, and they have to do it by palpating the pelvic bone … more