Who discovered DNA?
- Not Crick, Watson or Rosalind Franklin but Johannes Friedrich Miescher
- He took bandages soaked in blood and pus from Prussian soldiers in a local hospital, and mixed them with enzymes from a pig’s stomach. They produced a grey goo he assumed was a protein, but it didn’t act like one. He called it ‘nuclein’.
- If you don’t want to do the same experiment you can swish some salt water around your cheeks, spit it into a glass containing more salt water and a teaspoon of washing-up liquid and mix for a minute or so. Then pour some ice cold vodka slowly into the glass so it forms a layer on top of the salt water. In a couple of minutes you’ll see white strings start to form. [Reference]
- After your thumb, your little finger is the one you can least afford to lose.
- If you get kidnapped then offer up your index finger on your non-dominant hand. The rest of your fingers can compensate for the first finger quite well. If you loose your little finger this halves your grip strength. [Reference]
- It originates from the Venetian dialect form of the Italian quaranta giorni, meaning ‘forty days’.
- To prevent the spread of the Black death, ships and sailors were isolated for 40 days before entering the city of Dubrovnik in Croatia. [Reference]
Deficiency of what can cause glove and stocking sensory loss, depression, psychosis, memory loss and optic neuritis?
- Vitamin B12 [Reference]
- Copper toxicity
- Known as Corrigan’s Line (From the same Corrigan who described a water hammer pulse in Aortic regurgitation) [Reference]