eLife Episode 5: Human Sperm, Gut Bugs and Decomposition
In this issue of the eLife podcast we discuss how chimpanzees use conceptual metaphors, the hyperactivation of spermatozoa, the use of bacteria to estimate the time of death, stem cells and smoking, and a new type of bacteria.
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Nadja Mannowetz has discovered the potassium ion channel in human sperm
Can bacterial fingerprints reveal when and where a person died?
A new phylum of bacteria are uncovered in the human intestine...
Where do the cells lining the airway arise, and how does smoking affect them?
Chimps use similar conceptual metaphors to the human "top of the tree" or "bottom of the pile" to map social and other hierarchies...