Recent comments in /f/science

Brain_Hawk t1_jd5ciwo wrote

Reply to comment by browncoat_girl in A crucial building block of life exists on the asteroid Ryugu. Uracil, a component of RNA, was found in a sample collected by Japan’s Hayabusa2 spacecraft. by Science_News

I agree that uracil is certainly more interesting didn't finding water, and is much more a building block of life. I think a lot of these headlines are written quite cleverly so that if you read it fast you misreaded, which is what I did, and I thought for a second it was saying RNA was found in an asteroid. Now that would be a groundbreaking discovery

Was still a good read. But so much of science news now is attempts to sensationalize things.

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Brain_Hawk t1_jd5alcv wrote

Reply to comment by CardiOMG in A crucial building block of life exists on the asteroid Ryugu. Uracil, a component of RNA, was found in a sample collected by Japan’s Hayabusa2 spacecraft. by Science_News

Yes like all good science clickbait, it didn't lie. It merely insinuated

It's a crucial building block of life, but it doesn't carry through this is anything to do with the actual existence of life. It's just a chemical, that's found that a lot of places.

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Brain_Hawk t1_jd51bl9 wrote

Reply to A crucial building block of life exists on the asteroid Ryugu. Uracil, a component of RNA, was found in a sample collected by Japan’s Hayabusa2 spacecraft. by Science_News

Uracil is a part of RNA but that far from evidence of life. I feel like the headline is a bit click baity that it's implying more than was found. It's not really evidence of any life related processes, simply a component that is probably necessary for early life as we know it.

Still interesting in that these molecules can develop into more, and it speaks to the probability of simple life forming. A whole back was in a discussion about the probability of intelligent life anywhere in the universe, and an argument we should be totally agnostic because we can't know the probability. Evidence like this suggests to me some of the basic chemical processes necessary for life are probably.common, and other evidence, to the best of my awareness, is suggestive that we can recreate the conditions for form amino acids in a lab.

So it looks like the building blocks of life form readily, which is an argument in favor of life forming fairly often. Of course advanced or complex life will be rarer, but also available evidence (ok mostly out N=1 planet, but many environments) supports the idea that organism are very adaptive which further supports the tendency to develop into more advanced organisms. So complex life may be fairly common.

Anyways neat. But can't help but be a bit miffed at how headlines are always written to implictly exaggerate the findings a bit.

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apj0731 t1_jd50180 wrote

Reply to Genes shed light on why men and women experience different depression symptoms: researchers found 11 areas of DNA that were linked to depression in females, and only one area in males by giuliomagnifico

The article does an okay job explaining this but the title of the post is misleading. It’s not genes (i.e., the alleles males /females have) but how certain genes are regulated. Gene regulation is a multilevel process. The article explains this fine. The title of the post makes it seems like males and females have different genes or alleles that result in depression.

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rlmcgiffin t1_jd4ym9e wrote

Reply to Galaxy changes classification as jet changes direction. In PBC J2333.9-2343, the jet changed its direction drastically by an angle of up to 90 degrees, going from being in the plane of the sky, perpendicular to our line of sight, to pointing directly towards us. by Wagamaga

So quasar to blazer? I wonder how quickly the relativistic jet can change direction? If the AGN has spin (a lot of angular momentum) does that mean it is less likely to reorient itself I wonder?

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