AskScience AMA Series: We're three experts on plastic pollution who have worked with Kurzgesagt on a new video, ask us anything! |
- AskScience AMA Series: We're three experts on plastic pollution who have worked with Kurzgesagt on a new video, ask us anything!
- Do other mammals get headaches too?
- Does it matter where you adjust the volume of headphones?
- What causes "legs" - the droplets on the side of wine or whiskey glasses - and why do they form with some alcoholic drinks but not others?
- Why are some side effects of medications so common?
- Why are harmonic oscillators so important?
- Is there a name for how far a vehicle can deviate from it's velocity vector before losing control?
- Why do beans thrive in slightly acidic soil compared to more alkaline or neutral?
- How are climate zones on earth determined by solar irradiance?
- How far can a typical bug see?
- Are we gravitationally attracted to things outside the observable universe?
- Why do CO2 lines for soda/beer taps need to be kept cold?
- How does a Kale, a Cabbage and a Brussels Sprout still belong to the same plant "family" while displaying such varied structures and growth patterns?
- How briefly would a light have to be on for a human not to recognise that it was on at all?
- What actually happens when you “burn your tongue?”
- How do doctors test for previously administered vaccines?
- What would be the best shaped cone for channelling sound into the center?
- How are new invasive surgical techniques developed?
- What fuel does a red giant use?
| Posted: 01 Jul 2018 06:00 AM PDT Modern life would be impossible without plastic - but we have long since lost control over our invention. Why has plastic turned into a problem and what do we know about its dangers? "Kurzgesagt - In a Nutshell" has released a new video entitled "Plastic Pollution: How Humans are Turning the World into Plastic" today at 9 AM (EDT). The video deals with the increasing dangers of plastic waste for maritime life and the phenomenon of microplastics which is now found almost everywhere in nature even in human bodies. Three experts and researchers on the subject who have supported Kurzgesagt in creating the video are available for your questions: Hannah Ritchie (Our World in Data, Oxford University); /u/Hannah_Ritchie Rhiannon Moore (Ocean Wise, ocean.org); TBD Heidi Savelli-Soderberg (UN Environment); /u/HeidiSavelli Ask them anything! [link] [comments]  |
| Do other mammals get headaches too? Posted: 30 Jun 2018 12:03 PM PDT I'm specifically wondering about dogs, but do all mammals get headaches? If so, how can we tell that they have a headache? Do they also get migraines? [link] [comments]  |
| Does it matter where you adjust the volume of headphones? Posted: 30 Jun 2018 12:46 PM PDT For most headphones, there are three ways to change the audio volume: on the headphone itself, on the pc/laptop/tablet and in the program you are running on it. Does the audio quality change depending on where you adjust it? And is there an ideal setting? (Should you put your pc on 100%? 75%? 50%? Or is it all the same?) [link] [comments]  |
| Posted: 30 Jun 2018 11:34 PM PDT |
| Why are some side effects of medications so common? Posted: 30 Jun 2018 10:39 PM PDT In advertisements for medications, you always hear about nausea, dizziness, drowsiness, and suicidal thoughts as side effects. Everything from antihistamines to the blue pill seem to cause very similar side effects. Is there one bodily process responsible for one or more of these side effects? [link] [comments]  |
| Why are harmonic oscillators so important? Posted: 01 Jul 2018 02:38 AM PDT |
| Is there a name for how far a vehicle can deviate from it's velocity vector before losing control? Posted: 01 Jul 2018 06:55 AM PDT |
| Why do beans thrive in slightly acidic soil compared to more alkaline or neutral? Posted: 01 Jul 2018 04:37 AM PDT |
| How are climate zones on earth determined by solar irradiance? Posted: 01 Jul 2018 06:52 AM PDT |
| How far can a typical bug see? Posted: 30 Jun 2018 08:00 PM PDT I heard once that a bug can only see a few inches in front of itself. Is this true? If yes, can I get a better explanation as to why? If no, can someone give me the real answer? [link] [comments]  |
| Are we gravitationally attracted to things outside the observable universe? Posted: 30 Jun 2018 10:14 AM PDT |
| Why do CO2 lines for soda/beer taps need to be kept cold? Posted: 30 Jun 2018 09:31 PM PDT |
| Posted: 30 Jun 2018 08:15 AM PDT How did they become so different? Did they all start from a common ancestor or did they evolve parallel to one another? [link] [comments]  |
| How briefly would a light have to be on for a human not to recognise that it was on at all? Posted: 30 Jun 2018 08:43 AM PDT |
| What actually happens when you “burn your tongue?” Posted: 30 Jun 2018 05:10 AM PDT |
| How do doctors test for previously administered vaccines? Posted: 30 Jun 2018 07:14 AM PDT What is the process that doctors take to test your blood for previously administered vaccinations? I recently had this done and was wondering how they do it... [link] [comments]  |
| What would be the best shaped cone for channelling sound into the center? Posted: 30 Jun 2018 10:28 AM PDT I think explaining why might help: When out nature walking, hunting, bat watching etc. I always thought it would be cool to use an ear trumpet. Something that is analog and channels the sound to an ear bud. So, I wanted to make a headset with 2 larger cones attached to it that amplifies the sound to your ears. Like a pair of ear defenders, but inverted, and channelled into hollow ear buds that allow you to hear better. (With the option of swivelling them forward slightly so you can hear where youre looking. I'd like no batteries, all analog with a wider field than a traditional ear trumpet. Would this use the same ratios as a satellite dish or is it not that simple? [link] [comments]  |
| How are new invasive surgical techniques developed? Posted: 30 Jun 2018 10:27 AM PDT It occurred to me recently that certain modern surgical techniques seem so incredibly delicate, intricate and detached from basic surgical techniques (cutting and stitching tissues), that i find myself unable to guess how they were developed to begin with. As an example certain heart problems can be alleviated by inserting a shunt in an artery by the groin then running it all the way up to the heart to clear a blocked vessel. Additionally gastric bypass surgery where huge tracts of the stomach and digestive system are bypassed to help obese patients. How was it determined that these techniques were safe and effective before implementing them on patients? Were these techniques developed using animal models? if so, when do the surgeons get the time to go away and test/ develop them? Were they developed piecemeal by slowly adapting more basic techniques? The problem only becomes more pronounced when you consider plastic surgery where interventions are not necessarily life saving. How are scaffolds, grafts, implants etc. developed without being able to experiment on humans? This has been bothering me for a while now and i'd appreciate any information you good people can provide. [link] [comments]  |
| What fuel does a red giant use? Posted: 30 Jun 2018 12:26 AM PDT I know that a star burns hydrogen to helium as fuel, but what about red giants? I tried googling it but people keep saying that red giants die just by burning up its fuel. [link] [comments]  |
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