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Blog: On Health. On Writing. On Life. On Everything.

Summer Heat

A tremendous lightning-and-thunder storm brought a huge downpour and a bit of cooling to our region. Not much so. It is nearly ten o’clock at night, and I am still sweating. You hear me often talk of the benefits of a cold shower (after the hot one). The cold water mimics the exposure to cold we need for a functioning immune system. Since we live in rooms with central heating and are not working outside so much, we don’t get enough of our birthright: cold exposure. We likewise don’t get enough of the summer heat because most of us live in air-conditioned rooms. Not we though. In twenty years, we have used our central air conditioner a single time. We didn’t like it. We prefer to sleep with window open to get cleaner air. Contrary what you might think, the indoor air pollution usually is much worse than the outdoors air pollution. Hint: Houseplants help cleaning up indoor air. We sleep with window open even in winter, in severe minus grades. I lie under about five duvets then and stay snugly warm. Now, in summer, I am sweating – I can’t remember a hot and humid summer like this one. But sweating: That is what summer is for. Summer is a season that gives you a sauna for free: You can sweat out toxins which otherwise are hard to eliminate. Now I am getting rid of waste and damaging agents about twenty hours a day. Of course, I make sure that I take in enough water and salt, to make up for the losses. And be reasonable about it: If you have a medical condition, switch on the air conditioner. Keeping a cold facecloth at hand or taking a short cold shower can keep you cool. I feel uncomfortable now, sweating. But I know I good I will feel come September: Cool and ready to work hard again. In this heat, I admit, working and writing comes nearly to a standstill; the garden slowly turns into a jungle again as if the months of weeding and pruning never happened. This is the time for cold black tea with mints from the garden, reading in the shade, enjoying delicious music and light dinners – cold fish with a salad and some cherries afterwards. On the weekends, I am planning long afternoon naps, This is not my most effective time – but it is getting me ready for work and creativity in the fall. Soon I will give you my summer reading list. But for now I am in the middle of the summer string camp with two hundred kids playing violin, viola, cello and bass – and I am one of them. The one who plays cello badly. But having fun. In an air-conditioned room, actually. Read More 
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Smell Of May

May makes me giddy. On Memorial Day we did a long walk, me with my nose up in the air all the while, sniffing. My idea is (no scientific proof – it’s just my private hunch) that if we are smelling flowers all spring and summer and fall, we prime our brains to get through winter without depression. That statement exaggerates, but it contains a kernel of truth. I put my nose into any flower I encounter (careful not to be stung by wasps and bees because I had some unfortunate wasp encounters a few seasons ago, one of which landed me in the emergency room). Roses are already blooming for a while, earlier than usual. My David Austin rose “Mary Rose” is the sweetest thing; the old attar of roses must have smelled thus. The peonies’ fragrance lies heavily over the yard; whites have a stronger fragrance than pink and red ones. Linden trees bloom in the summer they soil cars parked underneath with sticky sap but give off an addictive sweet odor: I can’t wait for it. Snowball viburnums fill May evenings with their perfumes sometimes so cloying, it reminds me of a bordello (even if I have only a vague idea about a real brothel). Bearded iris and rhododendron mostly have to make up in showiness what they lack in scent. The little carnations look modest when you look down on them, but their peppery aroma is bold and assertive. One plant pong stands out though - the unmistaken whiff of human semen. Wow! It comes from Viburnum dilatatum. The viburnums are mostly known for the perfumy, showy snowballs, some faintly tinged with an aurora pink. Viburnum dilatatum however means business: This sturdy bush with white feathery corymbs gives off the plain smell of sex. Isn’t that what the flowers and the bees are all about? Impregnation, reproduction. But – why would a plant use the human odor? I don’t know the answer, and I also don’t know which chemicals produce this familiar scent – do you know? I used to think that it was the DNA (the helical molecule that transmits our genetic heritage). But a scientist who works with it, says DNA has no odor to speak of - and he should know. Wikipedia claims some amines like putrescine, spermine, spermidine and cadaverine are responsible for semen’s unmistakable odor. Spermine and spermidine sound just like it - but putrescine and cadaverine? Don’t they sound more like emanating from dead bodies than from the fluid that carries life-giving sperm? Whatever chemicals are involved, I remember the same smell from rhubarb in bloom (which will happen in June in my garden), and from edible chestnut in the South. In California, people complain about the fragrance of a notorious tree, called Bradford pear (Pyrus calleryana) – but I have not sniffed it personally. Why plants are doing this, namely using OUR fragrance? Dunno. All I can say that the fragrance talks to me – meeting me at a point I understand from experience. Ultimately, of course, it means that Nature uses the same molecules in plants, animals and humans. We are not extra or outside from Nature – we are part of her. Once a scent worked for her during evolution, she recycles it. In prehistoric times, spring was also for humans the time of be fertile and to become pregnant. Having a child born in late winter made sure that the mother got still some rest in the winter camp, but then could carry her small child around (in a papoose, for instance) when she went on her next spring duty: gathering fresh shoots from emerging plants, digging roots and grubs, gathering wood for cooking. A baby born in February could learn walking during the next winter camp, and was ready to toddle behind with the next spring move. Does Nature with her scents conspire to make us want to have intercourse at a time expedient to give a child the best possible start? Nowadays, with sheltering housing and ample food all year round, these small advantages mean nothing anymore; during those years of hunger and strive, they might have made the difference between perishing and survival. Nowadays, most babies are born in September, which has nothing to do anymore with survival advantage – only with what we did during last Christmas holidays. I have to say that I like the idea that Nature tries to nudge me into bed with someone – right now. Preferably my husband. Read More 
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Invasive Plants 5 - Crab Grass

Writing about the possible benefits of invasive plants, I had the fear that for most broad-leafed weeds it would be easy to find medicinal and other value, but that for grasses, I might have to pass. Interestingly, grasses have some good sides, too – even a such-maligned, horrible weed as crab grass. Crab grass (also called “finger grass” because of its spiky inflorescences, or “fonio”, for African plants) are actually several Digitaria species – “Digitaria” again meaning “finger-like”. Why is crab grass the proverbial weed? It turns out that “crabs” can’t take hold in a well-watered, well-fertilized lawn. But let that lawn be neglected, and develop some bald spots – that’s where the annual crab grass will move in, taking advantage. A lawn usually consists of perennial grasses that stay green long into fall and often into winter. Crab grass would be fine to be intermingled, if it would not die by the end of summer and will leave a bald spot – especially if you pull it and do not immediately reseed with normal lawn seed. In that bald spot, its many, many seeds can take hold again. Crab grass’ trick is its long germination period: It might die early, but it can germinate basically all year, as long as there is no snow on the ground. Usually, a bald crab grass spot extends thus from season to season, always looking awful in the fall, showing your neighbors that you are a less-than-perfect gardener. Remedy? Keep your grass healthy, well-fed, well-watered, well-limed, and reseed in fall and spring, so that crab grass seedlings have no chance. So, what for is this invasive grass good? For cows and other ungulates like deer crab grass is as nutritious as any other grass; even more so, because of its high protein contents. Sub-Saharan Africa people eat the milled crab grass seeds in porridge and bread. The problem with crab grass is that it germinates and ripens its seed willfully throughout the year. Therefore it must be hand-harvested, defying large-scale cultivation. However, early settlers in America purposefully would till a spot in the spring so that crab grass could grow there, for the grazing of the animals later in the year. Crab grass (like Bermuda grass) is a warm-weather grass. As such, it accumulates less sugar than a perennial grass - it does not intend to stay around for the winter, needing staying power through the winter. That makes crab grass better digestible especially to horses who might be quite sensitive to a high sugar and starch content – which bloats them, causing colic. So, as hay, crab grass is quite desirable. Crab grass contains non-trivial amounts of magnesium, phosphorus and calcium – important for bone health, and some vitamin A, folate, and retinol; they might account for its use in eye health: Medicinally, crabgrass infusion is said to be helping against cataracts and feebleness. I probably won’t use it exactly for that purpose. But just knowing that crab grass is not poisonous will land it in my garden teas from now on. Read More 
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