Does clinical depression affect intelligence/IQ measures? Does it have any affect on the ability to learn? |
- Does clinical depression affect intelligence/IQ measures? Does it have any affect on the ability to learn?
- How has chemotherapy evolved in the last 20 years? Is it more effective and does it have fewer side effects / discomforts than before?
- Why do COVID-19 deaths go up and down on a weekly cycle?
- Why are there so many small tightly packed lakes in the very north of Alaska?
- do different regions have different "types" of lightning? i.e. is the lightning seen in Kansas "different" from the lightning you might see in Texas? are certain kinds of lightning rarer than other kinds?
- How long did non-avian dinosaurs survive after the asteroid hit?
- How do our ears know something is in the front or in the back ?
- What happens if a whale or dolphin accidentally inhales a significant amount of water into their blowhole?
- If the air we breathe is made up of oxygen and nitrogen, why don’t all those molecules combine naturally to form nitrous oxide?
- Can spiders retract their webs?
- Since tectonic plates colliding form mountains, why aren't there mountains everywhere plates border?
- How does temperature affect the way we taste food and drinks?
- Why was the Large Hadron Collider built so far underground?
- Why does it seem that there’s more and more people allergic to more things?
- What decides the speed of a wave in the ocean?
- When talking about endangered species, there's usually a number given approximating how many animals live in the wild. How is this number estimated?
- Are the Nile and Amazon rivers the same ancient river? If so, what's that mean exactly?
| Posted: 14 Aug 2020 11:41 PM PDT |
| Posted: 15 Aug 2020 01:56 AM PDT |
| Why do COVID-19 deaths go up and down on a weekly cycle? Posted: 15 Aug 2020 03:38 AM PDT (Reposting because it took the mods 2 days to approve and was lost from view by then) It looks odd to me that COVID-19 deaths seem to increase and decrease on a weekly cycle. There is an upward or downward trend of course, but the cycle still remains. See for example: https://ycharts.com/indicators/us_coronavirus_deaths_per_day I can think of reasons why this would happen, for example it could be that doctors work less on weekends and something they are doing is killing the patients more during the week. Or it could be that on the weekends infected children go visit the grandparents and get them infected, and they reliably die a certain number of days afterwards. Reporting differences on weekends are quoted as a reason, but would deaths really go unreported for days? And the lowest death rate per week is usually but not always on a weekend day. Does anyone have a definitive answer or even a really good hypothesis about why we see this cycling in the death rate? [link] [comments]  |
| Why are there so many small tightly packed lakes in the very north of Alaska? Posted: 14 Aug 2020 10:48 PM PDT It is very clear to see on google earth/google maps but when I look up "northern alaska lakes" nothing comes up discussing what seems to be, to me at least, an interesting geographic phenomenon. [link] [comments]  |
| Posted: 14 Aug 2020 02:10 PM PDT |
| How long did non-avian dinosaurs survive after the asteroid hit? Posted: 14 Aug 2020 01:51 PM PDT I'm sorry if this is worded poorly, but I'm wondering how long the non-avian dinosaurs survived after the initial impact. Were they gone within a few days, or were there small populations that stuck around for a few years? Thanks! [link] [comments]  |
| How do our ears know something is in the front or in the back ? Posted: 14 Aug 2020 02:57 PM PDT Left or right is easy it's louder on one side but how do we know the other things ? Front, back, up, down, far, close ? They are just two holes on the left and right why are we able to tell so precisely where something is just by hearing? [link] [comments]  |
| Posted: 14 Aug 2020 12:52 PM PDT |
| Posted: 14 Aug 2020 09:43 AM PDT |
| Can spiders retract their webs? Posted: 14 Aug 2020 02:52 PM PDT I've been watching a spider grow in the corner of my kitchen door for a couple of months, he had a nice little web that covered the corner. Yesterday, I noticed the web had lost some of its structure and was covered in what looked like dust and then today, the spider is tucked into the corner of the room and the web is completely gone! Did it disintegrate or are they able to reuse it somehow? [link] [comments]  |
| Since tectonic plates colliding form mountains, why aren't there mountains everywhere plates border? Posted: 14 Aug 2020 04:03 PM PDT |
| How does temperature affect the way we taste food and drinks? Posted: 14 Aug 2020 10:26 AM PDT For example, how do humans find hot/warm water tasting bad but if it's room temperature or cold then it "tastes good"? [link] [comments]  |
| Why was the Large Hadron Collider built so far underground? Posted: 14 Aug 2020 10:08 AM PDT Wikipedia says its depth ranges from 50 to 175 meters. Why not 10 meters deep? Why not above ground? [link] [comments]  |
| Why does it seem that there’s more and more people allergic to more things? Posted: 14 Aug 2020 07:38 AM PDT Title sums it up. I think I may have developed a mild allergy to some types of nuts, and I'm gonna try to get a test soon through the NHS, but I'm wondering why I have developed one, when I eat nuts quite often (mainly peanuts). Is there any way of building tolerance to this that is documented or was attempted before? Also, I'm wondering whether the 'hygiene hypothesis' is still a valid hypothesis, because I can say for sure that I do wash my hands far too often. [link] [comments]  |
| What decides the speed of a wave in the ocean? Posted: 14 Aug 2020 08:26 AM PDT What decides the speed of an ocean wave and how fast do they tend to be? [link] [comments]  |
| Posted: 14 Aug 2020 10:14 AM PDT |
| Are the Nile and Amazon rivers the same ancient river? If so, what's that mean exactly? Posted: 14 Aug 2020 08:36 PM PDT I've heard that something about the underlying geography of the Congo and the Amazon is what makes them "destined" to be rivers, and that they were the same river at one point, when these continents were together as one. How likely is this theory? And why is it that these rivers would remain rivers as the continent drifts away? (And I think the theory goes that one had to reverse direction.) Why wouldn't the drifting continent just "roll over" the river and make a new river or no river at all? Edit: Sorry, meant Congo River, not the Nile. [link] [comments]  |
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