Dr Karl On Triplej
Rocking during sleep, morning sickness and coloured cat fur
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 0:39:21
- More information
Informações:
Synopsis
Why do people rock from side-to-side when they sleep? Plus: are humans the only mammal that suffers morning sickness during pregnancy?; and why can cat fur have different colours along the length of each strand of hair?
