Recent comments in /f/science

dustvecx t1_j6xr0cp wrote

Reply to comment by iShitSkittles in Study shows that regular coffee drinking (2 to 3 cups per day) is associated with lower systolic blood pressure (SBP), peripheral pulse pressure (PP), aortic BP and aortic PP, but with similar arterial stiffness by giuliomagnifico

You are exaggrating the effect. Yes drinking excess coffee (over 8 cups a day or 4000mg caffeine) is an osteoporosis risk factor but it's a minor one that you can negate by consuming enough calcium.

Main reason osteoporosis occurs is due to people not getting enough calcium and vit d. Other than that, it's not important to majority of the population. It's not like steroids where there is major risk factor for osteoporosis or long use of heparin and anticonvulsants

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Mouthtuom t1_j6xjz3n wrote

Reply to Transplanted Human Brain Cells Respond to Visual Stimuli in Rat Brains – Study finds human-derived brain organoids can integrate into the visual cortex of rat brains. After three months, the organoids demonstrate electrical responses to visual stimuli. by swhelan_tn

Oh look George is awake

Who is George?

My pet Organoid. He’s a symbiont that lives in my pet rat Ralph. He can recite the Gettysburg address when I attach the cranial interface.

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SassiesSoiledPanties t1_j6xizpp wrote

Reply to comment by ashoka_akira in Trees could reduce mortality from urban heat waves by a third by YoanB

Yes! Palm trees, my sworn enemies...not really but I don't really like that people plant palm trees to the detriment of trees with big fronds just because they like the way they look. Its not just planting trees, the trees need to block sunlight to the ground around it. This should prevent the creation of heat islands (areas of ground that reach high temperatures and thus prevent cold air from coming down there because hot air rises).

I agree, a solution integrating native trees to the area is the way.

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