When Did Complex Life First Evolve?

Thread starter drag
Start date May 8, 2003
Tags

Complex Evolution Life

AI Thread Summary

A new theory suggests that complex life began to evolve around 600 million years ago, potentially starting "by accident." The discussion highlights skepticism about whether this evolutionary process was ultimately beneficial. Participants express intrigue about the article while questioning the implications of such an accidental origin of life.

May 8, 2003

drag

Science Advisor

Greetings !

Here's an interesting new theory about how
complex life first evolved (about 600 million
years ago):
http://www.spaceref.com/news/viewpr.html?pid=11464

Looks like it started "by accident" even at that
earlier stage, I hope nature thinks it was all
worth it, because I personally doubt that...

Live long and prosper.

Biology news on Phys.org

May 10, 2003

Mentat

Fascinating article, drag! Thanks.

Thread 'New Alzheimer's Treatment Clears Plaques From Brains of Mice Within Hours'

I've been reading a bunch of articles in this month's Scientific American on Alzheimer's and ran across this article in a web feed that I subscribe to. The SA articles that I've read so far have touched on issues with the blood-brain barrier but this appears to be a novel approach to the problem - fix the exit ramp and the brain clears out the plaques. https://www.sciencealert.com/new-alzheimers-treatment-clears-plaques-from-brains-of-mice-within-hours The original paper: Rapid amyloid-β...

View full post »

Thread 'Iceland has found its first mosquitoes'

Is there anyplace where we can still escape them? Greenland? Antarctica? https://www.cnn.com/2025/10/21/climate/iceland-mosquito-discovery

View full post »

Thread 'Photorhabdus luminescens & "Angel's Glow"'

Claim: Ref: some claim on social media However, according to a Wikipedia article (https://en.wikipedia.org/wiki/Photorhabdus_luminescens): https://www.vumc.org/lacy-lab/adventure-travel-guide-microbial-world/superpowers-p-luminescens Further research is required.

View full post »