The dolphin story

Dolphin jumping out of water

This story has different wordings and usually sounds smth like these: – Only humans and dolphins have sex for pleasure, not for reproduction. – Humans and dolphins are the only species that have recreational sex. All other animals do sex for reproduction only. It comes from accident acquaintances, from neighbours, from scientists. I have no […]

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Species diversity

The divesity of butterflies

Long before biology was established as a science people have segregated biodiversity into “species”, “kinds”, “varieties”, “races” – whatever. The idea that there are natural groups within biodiversity unified by common traits has developed by itself. People actually wanted such groups: It’s functional. If there are kinds of “bears” and “deers”, it’s easier to coordinate […]

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