Notes and queries is a series where readers answer questions of other readers on topics ranging from fantasy flight insignificant to profound scientific concepts. Give your question or answer below

silkworms seem to have cornered the market. Are there commercial potential use of cobwebs?

Dutch scientists have genetically engineered goats to produce milk containing proteins found in spider silk. Floss can transform milk (I absolutely promise you that I'm not making this up), and woven into a fabric that can be blended with human skin to make bullets. Bit balls skin is still developing, but the goats producing spider silk are real and alive.

GentDirly

In 1960, I worked for a company that manufactures microscopes. We had staff who worked for the company making telescopes and rangefinders Ross Vickers and do all kinds of optical equipment. These people said that spider was used to focus the eyes on all their products. He said that the highlight of the year for apprentices was the annual hunt to catch the spider. They may have been laughing at me - I'm sure your correspondents let me know

Simon Hurdley, Bridport, Dorset

cobwebs were used in the past to seal wounds and burns -. I do not know if they were any good for him, though

derangedlemur

When do we start to get old? In addition, when we stop being young? Are they the same?

senescence begins / ends and middle of the day older / descendants / friends are more numerous -. Ogden Nash

DividedWeeDai

I think the elderly are always 15 years older than me. So when I finally reach the age, I know the answers.

Pete Stone, Wickham Market, Suffolk

begin to age when people stop saying that fell on him and begins to say "a fall." I also heard that you know you are getting old when you bend over to tie shoelaces and wonder what you can do while you're there.

Steve Smith, Lancaster

At the present time, as in the definition cameras quarantine, "said differently depending on the calculator."

Tony Greenall, Preston, Lancs

begin to age when we started to notice that more than half of the people on the bus are younger than us. This is also the point where we are no longer young.

Beth Robertson, London NW5

are the same. You start to be old / young while remaining as they begin to ask these questions.

suebian

Germans have a precise answer: 46. This is the age where you stop being young and start to get old, at least according to a discussion on this topic at the local radio station in Berlin recently.

Sean Patten, Berlin, Germany

Lizzie Hill, Guildford, Surrey

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