Even so, its supporters still have to provide firm evidence that larger molecules and membranes can be synthesised at
alkaline hydrothermal vents, says David Deamer of the University of California, Santa Cruz, who is a leading proponent of the idea that life evolved in evaporating pools instead.
The acetate is a product of methane and hydrogen from
the alkaline hydrothermal vents and carbon dioxide dissolved in the surrounding ocean.
Three new papers co-authored by Mike Russell, a research scientist at NASA's Jet Propulsion Laboratory, Pasadena, Calif., strengthen the case that Earth's first life began at
alkaline hydrothermal vents at the bottom of oceans.
Alkaline hydrothermal vents of this type are suggested to be the birthplace of the first living organisms on the ancient Earth.
Alkaline hydrothermal vents are found on the seafloor near where tectonic plates meet.
Not exact matches
Following Wednesday's news that there seem to be
hydrothermal vents churning away in the warm,
alkaline seas inside Saturn's moon Enceladus, researchers announced airtight evidence yesterday that Jupiter's moon Ganymede also has a -LSB-...]
On Earth, the most common way to form silica grains of this size is
hydrothermal activity under a specific range of conditions; namely, when slightly
alkaline and salty water that is super-saturated with silica undergoes a big drop in temperature.