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Lab Rat

Lab Rat

Exploring the life and times of bacteria

The Sciences

Holding elements together: Ionic bonds

A while ago, I wrote a couple of posts describing some intra-molecular forces, forces that hold atoms and molecules together. I enjoyed writing them, and people come back to read them quite frequently, so I thought I'd continue and write about a couple more.The previous posts covered van der Waals forces and hydrogen bonds (and dipoles!) These forces are both fun, and incredibly important in determining the properties of water (without which there would be no life) and petrol (without which there would be no cars) but they aren't particularly strong forces...

February 19, 2012 — S.E. Gould
Evolution

Discrete steps to antibiotic resistance

I've been getting so exited about the awesome powers of bacteria on this blog lately that I've been neglecting to cover the nasty bacteria. More specifically the fascinating world of antibiotics, the antimicrobial elements that bacteria and fungi produce and that humans exploit, manufacture and synthesise in order to protect against bacterial infections.Luckily a great paper (reference below) came out recently that explores three different types of antibiotic treatment and how bacteria have evolved to protect themselves from the antibiotic attack...

January 10, 2012 — S.E. Gould

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