this post was submitted on 04 Feb 2025
1 points (100.0% liked)

Today I Learned (TIL)

10 readers
1 users here now

You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

founded 2 years ago
MODERATORS
 
The original post: /r/todayilearned by /u/woeful_haichi on 2025-02-04 14:42:32.

Original Title: TIL the Purple Earth Hypothesis proposes that the Earth's surface biosphere may have appeared purple in the past due to photosynthesis at the time being based on simpler retinal instead of more complex chlorophyll

no comments (yet)
sorted by: hot top controversial new old
there doesn't seem to be anything here