Category: 7. Science

Hippos, today restricted to sub-Saharan Africa, survived in central Europe far longer than previously assumed. Analyses of bone finds demonstrate that hippos inhabited the Upper Rhine Graben sometime between approximately 47,000 and…

Introduction

Worldwide, the estimates for the prevalence of persons with intellectual disabilities, an IQ below 70, vary between 1% and 3% [-], which is 80-234 million people. In the Netherlands, 2.3% of the population (around 400,000 out of 17.4…