We aggregate the best questions and their answers from Reddit's askscience and explainlikeimfive.
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How much of the ocean do we actually have mapped/imaged? Do we really even know what exists in the deepest abyss?NEWQ:show
How much of the ocean do we actually have mapped/imaged? Do we really even know what exists in the deepest abyss?
If some big disaster occured and wiped out almost all of humanity, how many people would be needed to keep our species alive and why?NEWQ:show
If some big disaster occured and wiped out almost all of humanity, how many people would be needed to keep our species alive and why?
Technically speaking, can you generate a truly random number?
The eardrum is buried deep in the ear, but exposed to the environment. One does not generally wash deep inside the ear, yet the eardrum mostly stays clear of junk. How does it do this?
Why does water go up my nose when I'm facing up underwater, but doesn't when I'm facing down underwater?NEWQ:show
Or at least that's what it feels like to me?
[ELI5] Lots of sci-fi shows two setting suns visible from a distant planet. Is this possible? Can stars like the sun exist in pairs and still have a planet system?NEWQ:show
[ELI5] Lots of sci-fi shows two setting suns visible from a distant planet. Is this possible? Can stars like the sun exist in pairs and still have a planet system?
What is new about Roger Penrose's proof about blackholes? And how does that prove how our universe started from another? Does that mean singularity is wrong?NEWQ:show
I feel like I should expound. I have read articles about it, but I don't understand it fully. Penrose saw CCC in the data to prove his origin of the universe, so does that mean the universe did not start out dense like a singularity? how did the past universe die? or start? what doo black holes have to do with the universe's origin?
AskScience AMA Series: I am a leading researcher in the areas of cannabis plant science and plant physiology at Volcani Agriculture Research Center, in Israel. My name is Nirit Bernstein and I am researching cannabis plant sciences, and the best ways to grow medical cannabis, Ask Me Anything!NEWQ:show
Medical cannabis is a fast growing field and researchers are delving into the implications of cannabis for medical purposes. Israel hosts one of the world's leading primary research facilities in the area of medical cannabis. I was the first scientist in Israel to study the plant-based science of medical cannabis. I and my team work to advance the academic and applied science of the cannabis plant. Their objective is to develop basic and practical knowledge of secondary metabolism in health-beneficial plants, including cannabis, to contribute to human health and food security, while protecting the environment.
Here are some links to some of my research:
https://www.frontiersin.org/articles/10.3389/fpls.2019.00736/full https://www.sciencedirect.com/science/article/abs/pii/S092666901831015X https://www.frontiersin.org/articles/10.3389/fpls.2019.01369/full
I will be available at 12 PM PT (3 PM ET, 19 UT), Ask Me Anything!
Did the first people to own a television have nothing to watch? Or did the first broadcasts go out to nobody?NEWQ:show
ELI5: Did the first people to own a television have nothing to watch? Or did the first broadcasts go out to nobody?
How is it that homework help websites such as Chegg and Coursehero are somehow able to remove all other answers from the internet?NEWQ:show
Before these sites were around I would have no trouble googling my problem and finding help on a solution. Now, all of these answers are behind a paywall and rarely seem to be able to find anything anywhere else.