Questions in the Science & Nature category.
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1. Not all points can be measured. 2.Which points are measured affect the result. 3. So how is the global temperature determined? [more inside]
Spouse has been using an electric eel for the past few days and is curious about the physics of how the snake travels through the pipe. He doesn't understand how the machine pushes the snake in to the pipe or how the snake travels through the pipe. We are having a hard time finding good search terms for this. It's easy to find information on how to use a machine auger, but not easy to know what to look up to understand the physics behind it. Does it have to do with springs? How things coil?
I get and give little electric shocks all the time. This means I often get zapped i.e. when touching a computer or door. That's annoying but okay but it gets worse when I zap coworkers, friends or even clients. I'm not so much interested in how to cope with this but more in what causes this issue. Do you know why I fry them?
Reading this article on the blue got me thinking about conditional probabilities, prediction and causality. I came up with an analytical framing of what I think the article is saying and would be grateful if stats/social science Mefites could tell me if it seems accurate or else set me right. [more inside]
What's the best app for graphing out a phylogenetic tree, including pictures, for a fantasy taxonomy? (OSX or iOS, please.) [more inside]
I picked up the first edition of Halliday & Resnick's Physics from my local bookshop. My goal is to work through it (along with a calculus text) for fun and profit. Will I be missing out on anything important by using the original 1960's text, rather than one of the more recent ones (now titled Fundamentals of Physics)?
(asking for a friend) I'm writing a novel - a thriller - set principally in the Antarctic in WWII which takes the idea of the development of a biological weapon as its premise. What I need is an insight into a suitably nasty bacteria or virus that could have been developed into a weaponisable form; something that the British might have been working on towards the end of WWI; and something that could have been resurrected again in 1943 as a back-stop to deal with two possible scenarios. [more inside]
The grammars of English, Latin, and Spanish are all taught as relatively general principles (families of declensions, verb tenses, etc.). In contrast, I'm now on my third attempt at learning Chinese, and this program like both before it apparently expects me to learn the grammar by memorizing a vast library of fill-in-the-blank templates. Why the difference? And is there anybody teaching Chinese with less reliance on rote memorization? [more inside]
Asking this for my five-year-old son. He found these eggs attached to a leaf while we were raking. [more inside]
How does one come to define the end of an epidemic? Whether HIV or Ebola, smallpox or Zika, what are the accepted public health guidelines for defining the end of an epidemic/pandemic? I can't find the answer anywhere and hopefully you fine folks in public health can help.
I remember reading a quote from a book, perhaps about deer, that I cannot locate. Can anyone help? It was discussing the possibility of starvation and it went something like "[animals] are acutely aware of the productivity of their own [foraging] efforts..." Thanks.
I live in the UK. At some point this year I want to play with, and ideally swim amongst, wild phosphorescent (/bioluminescent) algae. Where and when should I go? [more inside]
Found some bones. Be they sheep, deer, or monster? [more inside]
I planted a number of native (to Michigan) white pine trees only to see them bedeviled by evil weevils. Specifically, the cause of the damage is white pine weevils and 100% of my trees were affected. Two part question: first, what are tried and true "natural" methods for controlling this pest, and second, what are its most effective pesticides, placing a high importance on minimizing collateral damage to people, flora, and fauna? [more inside]
My parents recorded this sound at about 2:00 AM on a February night in northern Minnesota. I've boosted the gain in Audacity but haven't fiddled with the recording aside from that. It's in a heavily wooded area not far from the Boundary Waters Canoe Area Wilderness. What is the likely source? [more inside]
I'm a glass half empty to avoid disappointment type girl. How do I evaluate/survive hopeful news? [more inside]
How exactly do you score this Reactions to Research Participation Questionnaire Revised (RRPQ-R) form? I see some hints on the last page, but what steps would a researcher take to turn a stack of completed forms into data the proper way? I could take a guess but I'm curious to know the actual method. Google is seemingly empty of the answer. I do not think I have access to the sources on the last page.
I recall reading in Overwhelmed by Brigid Schulte about a study in which participants were asked to evaluate how much men and women talked during a discussion. It demonstrated that while both men and women talked equal amounts during the discussion, evaluators thought women talked more. Am I imagining this, or can someone point me to the study? I would also welcome other research in the same vein - cognitive bias that causes people to not see the effects of privilege.
Hi, We need to calibrate some sensors at a temperature of -5 degrees C, also -4, -3... +3, +4, +5. The sensor is similar in size of your headphone jack, so we only need 1 square inch of environment at these temperatures. There's also a cord, which will prevent a completely sealed environment. [more inside]
We pay through the nose for a so-called luxury apartment in the middle of our city (we're carless and wanted to live close to our jobs). We feel our place should be rodent-free. Do we have any recourse, legal or otherwise? [more inside]