Menu
Sign In Search Podcasts Libraries Charts People & Topics Add Podcast API Blog Pricing

Dr. Glen D’Souza

👤 Speaker
118 total appearances
Voice ID

Voice Profile Active

This person's voice can be automatically recognized across podcast episodes using AI voice matching.

Voice samples: 1
Confidence: Medium

Appearances Over Time

Podcast Appearances

Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

So for instance, we've looked at the ocean, right?

168.527 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

And about 10% of all ocean microbes do at least have one weapon.

170.35 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

Most have many multiple weapons that they carry.

176.76 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

But now if you look at the plant root, for instance, I don't know what's happening there.

180.906 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

That's like an entire sort of war zone.

184.271 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

The plant root has like, I think, 30% of all microbes that carry at least one weapon.

187.175 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

Yeah, exactly.

196.439 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

So if you look at the microbiome of plant roots, I mean, you can imagine the plant root is an extremely happy place for microbes to stay, right?

197.12 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

So, you know, the plant keeps on throwing out stuff or teeny-weeny pockets of sugar, candies, etc., that I think bacteria can go happily on.

204.548 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

And if you're now in this amazing environment, you need to make sure you get it and your neighbor doesn't, right?

212.197 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

So it makes sense to carry a lot of weapons out there.

218.324 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

Yeah, I think so.

333.127 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

I mean, as Ben mentioned, right, like getting food, no one has thought about that until now, right?

333.869 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

Everyone thinks so.

337.88 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

You have a weapon, you kill, you get territory happy, or you have a contested resource, you displace your weaker competitor, you get access to your pot of gold, and you're sitting there happily.

338.522 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

But the world is not a happy place, right?

348.128 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

So you will have these cycles of feast and famine, right?

351.676 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

You might be on an amazing nutrient patch, but suddenly there might be no nutrients out there.

355.385 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

So how do you grow, right?

359.835 View full episode →
Science Friday
Swords, cannibalism, poison: inside the world of killer microbes

You need to grow.

361.599 View full episode →