Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
LordKeren
on Aug 25, 2024
|
parent
|
context
|
favorite
| on:
Study: Air purifier use at daycare centres cut kid...
I have never seen a evidence that CO2 is a casual agent of disease (extremely obvious exceptions excluded)
Consider applying for YC's Winter 2027 batch!
Applications
are open till November 2.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
