"To re-create a clear protein known as lysozyme once an egg has been boiled, he and his colleagues add a urea substance that chews away at the whites, liquefying the solid material."
Another interesting use for human waste however I'm not sure I would like to eat an egg that was treated with urea.
> Urea is generally recognized as safe by FDA for the following uses: side-seam cements for food contact; an inhibitor or stabilizer in pesticide formulations and formulations applied to animals; internal sizing for paper and paperboard and surface sizing and coating of paper and paper board that contact water-in-oil dairy emulsions, low-moisture fats and oils, moist bakery products, dry solids with surface containing no free fats or oil, and dry solids with the surface of fat or oil; and to facilitate fermentation of wine.
Wait until you hear about Dihydrogen Monoxide. It's a major constituent of urine, yet widely used as a food additive and even sold bottled for human consumption.
Another interesting use for human waste however I'm not sure I would like to eat an egg that was treated with urea.