Defining Life

The cluster centers on debates about the definition of life, questioning traditional biological criteria and considering edge cases like viruses, prions, machines, and superorganisms as potentially alive.

➡️ Stable 0.5x Science
2,860
Comments
20
Years Active
5
Top Authors
#1329
Topic ID

Activity Over Time

2007
3
2008
9
2009
27
2010
41
2011
24
2012
25
2013
58
2014
54
2015
85
2016
182
2017
173
2018
211
2019
162
2020
274
2021
346
2022
202
2023
406
2024
273
2025
299
2026
6

Keywords

HN i.e E.g wikipedia.org DNA alive life cells living biological organism creatures viruses boundaries ant

Sample Comments

smsm42 May 12, 2013 View on HN

It said "living things". If it said "sentient things", that'd be different.

etskinner Aug 24, 2023 View on HN

This is very close-minded thinking, it's very possible life doesn't require cells

iExploder Jan 25, 2023 View on HN

you have described only the biological component of existence, but being alive is more complicated than that

Do they fulfill our current definition of life?

acephal Sep 30, 2020 View on HN

We wouldn't be living things

youoy Oct 18, 2024 View on HN

What people calls 'life' is just a chemical reaction that compels animals to comment on HN - Mick & Rorty

elduderino Sep 10, 2009 View on HN

There is a difference between being the most dominant species on the planet and being composed of living cells, resulting in breathing, aging, dieing, and reproducing. An organic thing should not be looked at in the same light as something that is not.

amelius Oct 15, 2015 View on HN

The trick lies in the fact that life forms have no obvious boundary. The fact that two creatures are two creatures, and not just a single creature is something that is just endowed to them by us humans. If one of the creatures dies, does it really die, or does the combination of the two creatures just loses half of its brain cells? That second view is just as valid. Hence, in that second view, nothing really ever dies; we (i.e., the universe) just lose brain cells. And, of course, we gain them a

kaffeemitsahne Jun 25, 2018 View on HN

"non-living self-replicating organisms" Sounds like a contradiction to me ;)

vixen99 Jun 20, 2021 View on HN

Yes, a biological machine. Just like us.