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Page 234 of 1,352 · 13,515 articles in total

What’s dirtier, a toilet or a sink?

It’s a common question: what’s dirtier, a toilet or a sink? While both bathroom fixtures harbor germs, studies generally indicate that toilet seats are often cleaner…

4 min read

How clean is a human mouth?

A human mouth is surprisingly clean, teeming with hundreds of species of bacteria, but most are harmless or even beneficial. While it may seem counterintuitive, the…

5 min read

How much bacteria is in poo?

The amount of bacteria in human poo is staggering, with estimates suggesting that up to 50% of the dry weight of stool is composed of microorganisms,…

4 min read

What item holds the most bacteria?

The item holding the most bacteria isn’t always what you’d expect; while kitchen sponges are notorious, bathroom surfaces and even your smartphone can harbor significantly higher…

5 min read

Will isopropyl alcohol keep water from freezing?

Isopropyl alcohol, also known as rubbing alcohol, can indeed prevent water from freezing, but its effectiveness depends on the concentration of the alcohol in the water.…

5 min read

Page 234 of 1,352

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