It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Preserved as tiny spheres and tubes, the newly described “microfossils” hail from 200 million years earlier than the next oldest example of fossil microbes, which were announced last year.