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  2. botany - How many nutrients do trees process daily? - Biology...

    biology.stackexchange.com/questions/82910/how-many...

    Every day, a 40 foot tree takes in 50 gallons of dissolved nutrients from the soil, raises this mixture to its topmost leaves, converts it into 10 pounds of carbohydrates and releases about 60 cubic feet of pure oxygen into the air. botany. plant-physiology. trees. Share.

  3. Identification of this species of Toad - Biology Stack Exchange

    biology.stackexchange.com/questions/40269

    It was posted on a social-media/blogging website called 'Tumblr', so I don't know much about it (e.g., where the video took place). EDIT: The original link is no longer active. Here's an alternate link. Useful for hearing the specimen's "squeak"/scream. EDIT 2: Here's a gif of some frames from the video for permanence on this site: P.s.

  4. literature - Is the SHC014 chimeric coronavirus "eerily similar"...

    biology.stackexchange.com/questions/92903/is-the-shc014...

    Another claim in Chinese social media points to a Nature Medicine paper published in 2015 [7], which reports the construction of a chimeric CoV with a bat CoV S gene (SHC014) in the backbone of a SARS CoV that has adapted to infect mice (MA15) and is capable of infecting human cells [8].

  5. ethology - What are the migratory patterns of Orcas in the...

    biology.stackexchange.com/questions/52157/what-are-the...

    You can also follow Orca Behavior Institute, who frequently post sightings on social media. Finally, The Whale Tail lists several locations where killer whales might be seen from land (although quite unpredictably).

  6. zoology - Identification of this humpbacked, brown, clawed insect...

    biology.stackexchange.com/questions/9240/identification-of...

    The brood that is making all the media hype for emerging in 2021 is Brood X: [The various species of North American cicadas] form mixed-species cohorts called broods whose members arise like clockwork on the same schedule. The broods are identified by Roman numerals.

  7. Why are lions the only social cats? - Biology Stack Exchange

    biology.stackexchange.com/questions/36560

    Females are the base unit of lion social groups. Males are generally the nomadic sex. Male lions will try to take over a group of females by killing the current cubs and mating with the females. By having groups of females they can drive off males that are not related to their offspring.

  8. Virus culture in artificial/synthetic medium - virology

    biology.stackexchange.com/questions/104868/virus-culture...

    1. In the linked study they didn't grow it in artificial saliva or artificial culture medium (DMEM) - it was grown in cells (as viruses need to be) and then aerosolized for stability testing in the saliva or medium. In some manner all media used for growing any cells and viruses are artificial - we make and purify compounds that are then mixed ...

  9. Is social anxiety a part of human gene pool and caused by natural...

    biology.stackexchange.com/questions/96363/is-social...

    So genes inclining us toward anxiety about our social prospectsand our progeny’s social prospects seem to have become part of the human gene pool. So, from what I've understood, author claiming that the fact that we have social anxiety around people which we probably will never meet again is caused by the fact that in the past every social ...

  10. population genetics - Do humans have enough biological...

    biology.stackexchange.com/questions/14414/do-humans-have...

    Firstly, it's not true that you can't tell racial background from DNA. You most certainly can; it's quite possible to give fairly accurate phenotypic reconstruction of the features we choose as racial markers from DNA samples alone and also possible to identify real geographic ancestral populations from suitable markers.

  11. Why is sorbitol used in buffers? - Biology Stack Exchange

    biology.stackexchange.com/questions/86321

    3. Generally, sorbitol is one of those 'old tricks' in the book which is thrown into cultures or buffers for several reasons. Here are a few that I have heard of: Bacterial cultures (e.g. E.coli BL21) that are optimised to express (produce) protein, because sorbitol is thought to increase the expression of soluble protein.