Why isn’t knowing the structure of a molecule enough to know everything about it? |
- Why isn’t knowing the structure of a molecule enough to know everything about it?
- The oceans are huge- Where did all the water in our planet come from?
- How can stardust create stars if (a) stars need hydrogen and (b) star dust is formed after stars have run out of hydrogen?
- Have any diseases been eradicated due to covid health guidelines?
- How are life expectancies calculated?
- What percentage oxygen would mars need to have to support humans at its current atmospheric density?
- Is ionizing radiation harmful to technology?
- Do monoclonal antibody treatments reduce formation of durable immunity against reinfection?
- How/Why does Jean Foucault's pendulum work?
- How does olivine convect in the mantle?
- Are flagella found on cells lining the female oviducts?
- What happens if the larger of two binary stars goes supernova?
- Would the Hubble be able to take a picture of the James Webb and Vice Versa?
| Why isn’t knowing the structure of a molecule enough to know everything about it? Posted: 26 Sep 2021 08:05 PM PDT We always do experiments on new compounds and drugs to ascertain certain properties and determine behavior, safety, and efficacy. But if we know the structure, can't we determine how it'll react in every situation? [link] [comments]  |
| The oceans are huge- Where did all the water in our planet come from? Posted: 26 Sep 2021 04:47 PM PDT |
| Posted: 26 Sep 2021 10:04 AM PDT How can stardust create stars if (a) stars need hydrogen and (b) star dust is formed after stars have run out of hydrogen? [link] [comments]  |
| Have any diseases been eradicated due to covid health guidelines? Posted: 27 Sep 2021 03:08 AM PDT Basically the title. Are there any diseases that have been or are projected to be virtually or completely eradicated due to the stricter hygiene, social distancing, and shelter in place guidelines of the past 18 months? [link] [comments]  |
| How are life expectancies calculated? Posted: 26 Sep 2021 09:09 PM PDT I saw this post in r/worldnews about the impact of COVID-19 on life expectancy. I absolutely do not understand how the math is done. Life expectancy is expressed as life expectancy at birth, as in, how long someone born today is expected to live. I do not understand how that figure is affected in any way no matter how many currently-living people die of war, disease or whatever. See this paragraph from the linked article:
So please enlighten me: why are 5 year-old boys expected to live slightly longer lives than 1 year-old boys because COVID happened?! [link] [comments]  |
| What percentage oxygen would mars need to have to support humans at its current atmospheric density? Posted: 27 Sep 2021 01:31 AM PDT |
| Is ionizing radiation harmful to technology? Posted: 27 Sep 2021 03:55 AM PDT I know that ionizing radiation is harmful to living creatures because it damages our DNA and large amounts of other electromagnetic radiation can mess with certain technologies (very strong magnet wiping hhd data). I have no idea if ionizing radiation affects any types of technology though. [link] [comments]  |
| Do monoclonal antibody treatments reduce formation of durable immunity against reinfection? Posted: 26 Sep 2021 01:47 PM PDT |
| How/Why does Jean Foucault's pendulum work? Posted: 26 Sep 2021 10:37 PM PDT I understand that the earth rotates underneath the pendulum, which is why the axis it swings on changes, but the pendulum is attached to a structure that is also on Earth. Wouldn't that affect the motion of the pendulum as well? Does the length of the string matter? [link] [comments]  |
| How does olivine convect in the mantle? Posted: 26 Sep 2021 02:00 PM PDT I know the mantle is generally solid all the way down, and that the mantle has convection, but how? I get that you can have "viscoelastic" materials like putty that deform somewhat easily but I'm struggling to imagine olivine doing this. Do the crystals move, and how? And how does this explain mantle plumes? [link] [comments]  |
| Are flagella found on cells lining the female oviducts? Posted: 26 Sep 2021 07:41 PM PDT |
| What happens if the larger of two binary stars goes supernova? Posted: 26 Sep 2021 07:16 AM PDT Specifically, Antares. If I understand correctly, the larger star is substantially more massive and brighter than the smaller. I also understand that the larger is somewhere on the list of future supernova candidates. In the event it does make a supernova, what happens to the smaller star? Nothing? Is it destroyed? Does it gain mass from what was expelled from the larger star? What would all this look like to observers here on Earth? [link] [comments]  |
| Would the Hubble be able to take a picture of the James Webb and Vice Versa? Posted: 25 Sep 2021 09:53 PM PDT |
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