[VadeRetro]

And both your statement above and what you posted evades completely my refutation above.

Read the thing before you announce you have refuted it! Much died, some lived. Life can exist under a lot of conditions.

[gore3000]

And both your statement above and what you posted evades completely my refutation above.-me-

Read the thing before you announce you have refuted it!

You have it backwards. The post did not address my refutation. In an ice covered sea, the life we know existed before the Cambrian would have been impossible. Could not have lasted a year. The whole article by unScientific American is thus utter nonsense.