Interesting piece here in the BBC Science section.

Sponges back to 650 Million years ago and apparently it casts a bit of doubt on the "snowball earth" hypothesis where the oceans were frozen during the Marinoan Glaciation. Read the article, it's interesting. :)

Sponges!

Tags: Animal, Early Life, Evolution

Views: 0

Replies to This Discussion

That's very important. There's some clever geological science there.

It beats the known organisms of the Ediacaran Period by some 70 million years, as the latter seemingly appeared around 580 million years ago and flourished for about 40 million years.
Yes, clever indeed. Finding in the rocks enough of the signature chemical caused by the decomposition of sponges is rather amazing science. This might lend more credence to the theory of a not-quite-snowball Earth. And the relentless march of learning continues...

RSS

CONNECT WITH ATHEIST NEXUS

Latest Activity

Natalie A Sera commented on Dallas the Phallus's group LINGUAPHILES & SESQUIPEDALIANS
"And then, just to confuse things, there's polymath, which is from the Greek poly = much and manthanein = to learn. So, someone who knows a lot. Or at least enough to know that you can get a second crop from that field! Sorry, couldn't…"
6 minutes ago
Patricia commented on Ruth Anthony-Gardner's group Hang With Friends
"Yaaaay Joan!!! Yaaaay here too.....our exterior renos start Wednesday!!!!"
23 minutes ago
Tony Carroll commented on Ruth Anthony-Gardner's group Hang With Friends
"           Wolf Blitzer. Open mouth, insert foot. LOL!!!"
32 minutes ago
The Flying Atheist commented on Ruth Anthony-Gardner's group Hang With Friends
37 minutes ago
Joan Denoo commented on Ruth Anthony-Gardner's group Hang With Friends
"Carl, that sounds perfect! I like the idea Chimichurri Sauce works well as a marinade, and is also delicious on vegetables. Thanks"
46 minutes ago
Debra Stevenson replied to Debra Stevenson's discussion Prayers for Bobby 2009 Lifetime television movie in the group LGBTQI atheists, nontheists, and friends
"Chrissie Farthing,   I agree yes these are stories of religious bigots waking up and realizing that the legendary and mythological stories and some immoral rules created by ancient sheep-herding nomads had missed the mark and they…"
54 minutes ago
GM commented on Yvette's group Young Atheists
"Hello, I just joined this. Just saying Hi!"
1 hour ago
The Flying Atheist commented on Ruth Anthony-Gardner's group Hang With Friends
"Chris, thanks for checking in.  I hope you're having a wonderful holiday.  Enjoy Vesuvius. "
1 hour ago

Photos

Loading…
  • Add Photos
  • View All

© 2013   Atheist Nexus. All rights reserved. Admin: Richard Haynes.

Badges  |  Report an Issue  |  Terms of Service