Interesting nature

Painful child-birth for humans but mostly not for animals
Animals seem to give birth to their young quickly and in a relative easy manner – except when things go wrong. But for human mothers why is childbirth so painful? …

Changes, what changes?
Insect fossils look very much the same as modern living insects. Why is that? …

How old is the universe?
Let’s learn a lesson from some bath water! No human was there at the beginning of the world, so we have to look back and make the best guess we can. We have to come up with a theory. So let’s do a practical demonstration: You come home one evening and find the bath is […]