AskScience AMA Series: We're an international team of astronomers and engineers working to directly image planets in the habitable zones of nearby stars. Ask Us Anything! |
- AskScience AMA Series: We're an international team of astronomers and engineers working to directly image planets in the habitable zones of nearby stars. Ask Us Anything!
- What impact do those long and low cold temperatures have on insect populations like ticks, mosquitos, chiggers, butterflies, bees, in temperate regions?
- Do superfluids have surface tension?
- Why was the Coronavirus (SARS-CoV-1) outbreak of 2002-2004 not worse?
- Does moving water freeze at slower rate than stagnant water?
- What's special about spin that allows two electrons to be in the lowest energy level without canceling each other?
- Can vaccines force a pathogen like COVID-19 to mutate 'undesirably'? Have we seen this with influenza or other vaccines?
- Did the rate of physical disability decrease throughout in the 20th century?
- How many neurons do earthworms have?
- Endocrinology: How can hypo and hyperthyroidism create similar neurological effects/symptoms, yet be opposing conditions?
- How do economist calculate price elasticity using income and price of an item?
- Whats going tonhapoen to the gulf current?
| Posted: 16 Feb 2021 04:00 AM PST We're a group of scientists from around the globe that came together to work toward the common cause of imaging nearby planets that could potentially support life. You might have seen our work (https://www.nature.com/articles/s41467-021-21176-6#Sec3) in the headlines recently, in which we reported the first sensitivity to sub-Saturn sized planets in the habitable zone of Alpha Centauri along with a possible candidate planet. We'll be on around 2 PM ET (19 UT) and we're looking forward to your questions! Usernames: /u/k-wagner, /u/erdmann72, /u/ulli_kaeufl [link] [comments]  |
| Posted: 16 Feb 2021 06:03 AM PST I'm a hiking, camping and trail running enthusiasts who often deals with ticks, chiggers, mosquitos, etc. I was wondering what will those low temperatures for the past 2 weeks will have on those populations. [link] [comments]  |
| Do superfluids have surface tension? Posted: 15 Feb 2021 06:15 PM PST I know about surface tension in regular water, but can a superfluid have surface tension? [link] [comments]  |
| Why was the Coronavirus (SARS-CoV-1) outbreak of 2002-2004 not worse? Posted: 15 Feb 2021 10:34 AM PST I'm curious why that Coronavirus outbreak didn't become worse/affect greater numbers. From reading about it, it doesn't seem as though the early reaction to it was much different than the early reaction to SARS-Cov-2 (Covid 19). Was it less contagious? Was it just luck? [link] [comments]  |
| Does moving water freeze at slower rate than stagnant water? Posted: 15 Feb 2021 02:08 PM PST |
| Posted: 15 Feb 2021 01:35 PM PST Is there two electron fields one for each spin for example? [link] [comments]  |
| Posted: 15 Feb 2021 03:34 PM PST If everyone is vaccinated, and the vaccines cover all mutations up till that point, can that trigger the virus to mutate in a new direction, effectively responding to our response? Have we ever seen a 'wild' virus change because we did something to it? [link] [comments]  |
| Did the rate of physical disability decrease throughout in the 20th century? Posted: 15 Feb 2021 12:03 PM PST Hello, I was looking for stats on this topic, but struggled to find anything that really fit the bill. My question mostly pertains to the developed world, although I imagine the trends involved are global to varying degrees. I'm also excluding physical disability due to aging, because that seems like it obscures the overall picture (unless, I suppose, 80-year-olds today are more or less likely to be disabled than 80-year-olds a hundred years ago) It occurred to me the other day that many of the factors that caused lifelong physical disability in the past are now largely controlled. Most infectious diseases that caused disability in children, like polio, meningitis, and mumps, are now either gone from the developed world or relatively rare. Additionally, a number of other causes of disability, like growth hormone disorders, are now routinely identified and treated in childhood. We've also improved health and safety and environmental regulations, which means you'd think fewer people are disabled due to workplace injuries or preventable exposure to contaminants (lead, for example). Another example of a cause of disability that is decreasing in incidence are neural tube defects, due in part to the US and a few other countries introducing folate fortification. My guess from all of this is that the number of people per 100,000 with physical disabilities is probably decreasing, as fewer people acquire disabilities and those that did decades ago pass away. Is this true? Are there countervailing trends I'm missing out here? I'm only asking for curiosity because this seems like a demographic trend nobody mentions if it's true. [link] [comments]  |
| How many neurons do earthworms have? Posted: 15 Feb 2021 09:35 AM PST I have tried to Google this many times to win an argument over which has more neurons, a fruitfly or an earthworms. The fruitfly number came up easy, although I got two figures(135000 and 250000). I gathered a fruitfly would have more since it has much more complex behaviours. The counter argument was that earthworms have neurons throughout their bodies since they have repeating sections. But are those actual neurons? Do spines have neurons or just a lot of nerve cells? [link] [comments]  |
| Posted: 15 Feb 2021 11:37 AM PST Preface: I have hypothyroidism and was reading medical literature that hypothyroidism often is associated with decreased memory/impairment. However, hyperthyroidism is also associated with memory impairment as well. My hunch was that an increased concentration of TSH/TH would lead to increased mental function, but it seems this is not the case with hyperthyroid patients. Can someone in the field better explain this? Papers I glanced through: https://www.nature.com/articles/s41598-017-10747-7 [link] [comments]  |
| How do economist calculate price elasticity using income and price of an item? Posted: 15 Feb 2021 08:38 AM PST Hi r/askscience Let's say I survey people who consumed chocolate regularly in a longitudinal fashion and I recorded the price of their fav chocolate (can change) every 2 months along with their income. Is there a way to calculate the aggregated price elasticity of chocolate for chocolate lover within the sample? Like for example, when luxury goods are deemed to have a huge price elasticity. That is determined by supply and demand, but can supply be substituted with income? [link] [comments]  |
| Whats going tonhapoen to the gulf current? Posted: 15 Feb 2021 07:00 AM PST This hard freeze over most of the North American continent is something else. My question is, what will the current weather system do to the gulf of Mexico and the gulf stream? Currently, the water temp off of Galveston is at 58. Will Europe have a much cooler spring this year? [link] [comments]  |
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