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In what sounds like the opening scenes of a sci-fi disaster movie, scientists have managed to revive microorganisms that have laid dormant for over 100 million years. These microbes were discovered deep beneath the seafloor, where they’ve been slumbering since the age of dinosaurs.
The sediment samples were taken 10 years ago, during an expedition to the South Pacific Gyre. Located in the huge expanse of ocean between Australia and South America, this region is the furthest from dry land you can get on this planet.
Here, the team drilled a series of sediment cores that extended 100 m (328 ft) into the seafloor, which itself lies almost 6,000 m (20,000 ft) below the ocean surface. This area is thought to be pretty lifeless due to few available nutrients, and the researchers wanted to find out.
The team found that 99.1 percent of microbes dating back to 101.5 million years ago were still alive, and started eating when food became available.
originally posted by: 727Sky
Even if they are off a few million years this really is astounding...at least to me ! We are talking about millions of years for a bacterium to lay dormant yet still come back to life. Just feed me and stand back and watch !
In what sounds like the opening scenes of a sci-fi disaster movie, scientists have managed to revive microorganisms that have laid dormant for over 100 million years. These microbes were discovered deep beneath the seafloor, where they’ve been slumbering since the age of dinosaurs.
The sediment samples were taken 10 years ago, during an expedition to the South Pacific Gyre. Located in the huge expanse of ocean between Australia and South America, this region is the furthest from dry land you can get on this planet.
Here, the team drilled a series of sediment cores that extended 100 m (328 ft) into the seafloor, which itself lies almost 6,000 m (20,000 ft) below the ocean surface. This area is thought to be pretty lifeless due to few available nutrients, and the researchers wanted to find out.
newatlas.com...
The team found that 99.1 percent of microbes dating back to 101.5 million years ago were still alive, and started eating when food became available.
When I read stories like this I think about all the possibilities for life to exist on other planets as the bugs laid dormant for eons in some comet or asteroid.. PANSPERMIA makes sense to me
Carbon dating is unreliable for objects older than about 30,000 years, but uranium-thorium dating may be possible for objects up to half a million years old, Dr. Zindler said.
originally posted by: TheConstruKctionofLight
a reply to: 727Sky
Should be titled "Scientists revive microbes older we guess than 50,000 years from deep underground"
Lately I can't seem to get an straight answer how any can guess the age of things older than 50,000 years