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urine

Why is my dog's pee ruining my lawn?

25 Sep 2020

Most homeowners let their dogs use the backyard as their own personal toilet. Often after a winter of such potty practice, when the snow melts, you’ll often find your lawn speckled with unsightly...

DYK: Penicillin used to be recycled from urine

3 Jun 2020

After Alexander Fleming’s 1928 discovery of a mold that inhibited Staphylococci bacteria growth and the first treatment of a patient with penicillin in 1942, demand for this antibiotic grew rapidly...

Turning Up the Heat on Thermal Paper Receipts

25 Feb 2020

When you are spending money at a store, the cost may be more than the amount shown on the cash register receipt. According to some researchers, there is a cost to health. That’s because handling...

Little Dogs Raise Their Legs High to Pee, Thinking It Makes Them Look Tough

8 Aug 2018

Female dogs opt for less yoga-like squatting postures than their male companions, who can sometimes be seen with their leg so far in the air they seem about ready to topple over. It turns out that...

Can "Dog Rocks" stop dogs from staining my lawn?

7 Jun 2018

“Dog Rocks” are supposed to solve the problem of grass dying from dog pee. Urine contains a variety of nitrogen compounds, mostly metabolites of protein in food. These are effective fertilizers,...

Peeing in the pool

27 Mar 2017

You know those stories about some sort of chemical being added to swimming pool water that changes colour if someone uses the pool as a pee pot? Well, they are not true. There is no such chemical....

S-methylthioacrylate, S-methyl-3-(methylthio)thiopropionate and Asparagus?

20 Mar 2017

Asparagus is a wonderful vegetable. Both in taste and in its chemistry. One aspect of its chemistry has been apparent for a long time. A French book on food published in 1702 noted that asparagus...

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