Biology / Science

Blue-blooded

Here’s summat I’d like to know more about: some (all?) insects have blood not based on haemoglobin. What’s the difference? How does it work? Are there even more different blood chemistries out there that I haven’t heard about? (Could maybe make multiple posts if that is a lot.) I thought I’d start by answering the … Continue reading

Neanderthal diets: follow-up
Anthropology / Biology / Genetics / Health / Science / Uncategorized

Neanderthal diets: follow-up

After last week’s post on the question of Neanderthal diets (in which it is suggested that they ate a diet heavy in meat, including meat which had been rotting for some days), anthropologyglobal asked an excellent question I have some¬†potential answers for: What about the odour? How did they have anything so odorous? First of … Continue reading

Neanderthal diets
Anthropology / Biology / Science

Neanderthal diets

There’s much that still puzzles scientists about Neanderthals, despite all the advances we’ve made in sequencing their genomes and reconstructing how they might have lived. One of those mysteries is the high level of an isotope called nitrogen-15 in their remains. To understand the mystery, first you have to understand about isotopes. Isotopes are slightly … Continue reading

Antibiotic use in lifestock: surely it’s a good thing! Spoiler: it really isn’t
Biology / Health / Microbiology / Science

Antibiotic use in lifestock: surely it’s a good thing! Spoiler: it really isn’t

When I saw the first news piece about McDonald’s reducing the amounts of antibiotics used in their beef production, I was hardly surprised to see people panicking. “Surely antibiotics are a good thing! Reducing them means that livestock will be less healthy and humans could get sick! McDonald’s are just trying to skimp on health … Continue reading