Ovah

9 ms·

31.
by Ovah 5y ago
If a DNA sample is taken from an assault victim, how is the DNA from the victim (technically) distinguished from that of perpetrator? Why isn't the readout an average of perpetrator and victim? Of course the perpetrator's readout
32.
by Ovah 5y ago
It's sadly not available for the last few major releases of Safari on Mac.
33.
by Ovah 5y ago
Fun fact: the number needed to treat (NNT) for SSRI, the first line medication for depression, is a whopping 11! The NNT tells us the number of people we need to give a drug to in order for just one person to receive a benefit. I.e. if 11 p
34.
by Ovah 5y ago
Tangent: I have years of academic studies. And yet it can be time consuming to truly understand where and how ideas came to be. I might have an equation but to understand how it was initially thought of or derived might require access to ph
35.
by Ovah 5y ago
Cancer from soft tissues (sarcoma) has a high mortality rate. Even a very low risk of getting it from growth hormones would drastically limit their use. I believe there was a study showing a minute increase in risk of sarcoma in kids gettin
36.
by Ovah 5y ago
I can only comment on why it's important for the physician to know about any allergies. Some people have a history or risk of severe allergy and anaphylactic reactions can be potentially fatal. I've had to managed such a reaction
37.
by Ovah 5y ago
I wish the article would be more nuanced with statements like: "higher levels of electromagnetism caused cellular changes in the crabs". This will just be used as 'evidence' by the electromagnetic hypersensitivity and a
38.
by Ovah 5y ago
Same news event already posted here https://news.ycombinator.com/item?id=28822990
39.
Archeology dog tracks Stone age settlements(svt.se)
1 points by Ovah 5y ago|0 comments
40.
by Ovah 5y ago
Technically speaking ... the genetic code of the B cell receptor gene of B cells is altered by vaccines. The same goes for pretty much all antigens the body comes across. But that's the point of the adaptive immune system and is obviou
41.
by Ovah 5y ago
You kinda do - it's one of the most common causes of sleepyness during the day. Obstruction of airways during sleep (apnea -> transient oxygen deprivation -> stress -> short interruptions of sleep and arousal). And it's
42.
by Ovah 5y ago
The National library of Sweden has a similar website but for newspapers printed in Sweden. They write "Copyright protection is valid for 115 years on the day. The free material is moved forward by one day every day." I get that li
43.
by Ovah 5y ago
I'd say the jump from eukaryotes to procaryotes is a realistic scenario in recombinant DNA technology. I have some experience with recombinant yeast and PTMs. Degree of glycosylation actually vary a lot depending on strain used and has
44.
by Ovah 5y ago
While the laws of physics remain the same, the folding machinery between species varies to some degree. Protein folding is determined by the unique environment/machinery of a cell. A concrete example is disulphide bonds (S-S, ex cystei
45.
by Ovah 5y ago
Interesting that they're porting it to other organisms. Different organisms have variations in ribosomes, post translational modifications and even tRNA repertoire. So it's not a guarantee that two identical DNA sequences will giv
46.
by Ovah 5y ago
I guess that's the thing with psychiatry: the whole field is pretty far away from basic science, mechanisms etc. My (second hand) understanding is it actually triggers schizofrenia in 16 y.o. people who would not otherwise have gotten
47.
by Ovah 5y ago
I'm speaking as a medical student. And I can't speak for what it's like in the US - only Sweden. Here it's not uncommon for schizofrenic patients to self medicate with marijuana. I guess it increases their quality of lif
48.
by Ovah 5y ago
A few years ago there was a CCC? talk about registering domains a bitflip away from the intended domain. Which effectively hijacked legitimate web traffic. While the chance of a bitflip is low it added up to a surprisingly large number of r
49.
by Ovah 5y ago
Fair point, my statement was too general. NSAID indeed shouldn't be used willy nilly. The same goes for cortisone and long term use. My point should have specifically referred to biologicals such as anti-TNF and other anti-cytokine tr
50.
by Ovah 5y ago
I frankly disagree that antiinflammatory drugs having "long term costs". I'd be very interested if you have a paper to back that claim up. A couple decades ago it was common for rheumatic patients to end up in wheelchairs. To
51.
by Ovah 5y ago
Which amounts to almost 20% of those arrested. Maybe it's partly due to Sweden historically having strong computer literacy. Only time will tell.
52.
by Ovah 5y ago
> The second is about removing subsidies to farmers that use any kind of pesticide, or regularly use antibiotics on their livestock, etc. Anecdotally through medical school I've heard that there is evidence that antibiotic overuse i
53.
by Ovah 5y ago
(I'm aware of the sarcasm tag). Technically that 100% should be 99.999%. Not all drugs are found in nature. Technetium, a man-made compound, is used in some radiology. https://go.drugbank.com/categories/DBCAT001978
54.
by Ovah 5y ago
"A full 40 percent of the drugs behind the pharmacist’s counter in the Western world are derived from plants that people have used for centuries, including the top 20 best selling prescription drugs in the United States today. For exam
55.
by Ovah 5y ago
Apparently this seems to be an ongoing and contentious internet debate lol. There's even a wiki article on the subject.[1] The main three arguments appear to be that virii 1) is grammatically incorrect Latin, 2) virus has historically
56.
by Ovah 5y ago
It happens frequently with retroviruses. In fact 5-8% of the human genome is from (ancient) retrovirii. Coronavirus however is a completely different class of virus which makes it interesting, at least to me.
57.
by Ovah 5y ago
"It is describing the fundamental equivalence between mass and energy" I agree that this is widely agreed upon when referring to E=mc^2. It's almost a dogma by this point. But the derivation Einstein used to come up with his
58.
by Ovah 5y ago
Physics is usually pretty rigorous. In the context of science for a general audience, or printing pretty T-shirts, I get why it's omitted. I just find it funny that when it comes to E=mc^2 physics suddenly lack some rigour even in the
59.
by Ovah 5y ago
I'll give it a read-through this weekend, thanks!
60.
by Ovah 5y ago
Kind of pedantic but I've never understood why it's E=mc^2 and not E=Δmc^2. In Einsteins original paper he derives the equation with a delta m: a change of mass corresponds to some amount of energy. To me that is different than to

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