Is the earth full?

On July 11th we celebrate World Population Day. We are currently with over 7.6 billion people on this planet. Even though that number keeps rising, the growth has slowed. And it is believed that the total population will stop growing in the coming decennia. The theme of this year is “Family Planning is a Human …

Why chromosomes?

Within 4.6m years, the Y chromosome might disappear. Unlike all other chromosomes, Y chromosomes are only ever-present as a single copy, passed from fathers to their sons. So what does that mean? The demise of men? Not quite. Some species already lost their Y chromosomes completely. And males and females are both still necessary for …

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