Resumen de Things that go bump...
Hamzelou talks about the creatures that live in the dark. Many of the creatures of the shadows, only glimpsed as flitting shapes, are ones to avoid. From the dangerous to the curious to the downright strange, the night-time is teemingly with life. Nevertheless, night-time was the right time for the earliest ancestors. Mammals evolved some 200 million years ago, when dinosaurs were in their prime. Being able to generate their own heat, these small rodent-like creatures did not need to bask in the sun to raise their body temperature and activity levels, so nocturnal life was an option--and an appealing one.
