Tag: "clays" at biology news
Scientists propose the kind of chemistry that led to life
...were nothing more complicated than the surfaces of clays
or other minerals. In its simplest form, the model shows how two catalysts in a solution, A and B, each acting to catalyze a different reaction, could end up forming what the scientists call a complex, AB. The deciding factor is the relative conce...
ASU researchers test antibacterial effects of healing clays
...ydel's research on the antibacterial properties of clays
realizes its full potential, smectite clay could o...ASU duo will examine the mechanisms that allow two clays
mined in France to heal Buruli ulcer, a flesh-eating bacterial disease found primarily in central an...
Ancient raindrops reveal the origins of California's Sierra Nevada range
... and other minerals that form on the ground. These clays
provide scientists with a geologic record of ancie...mbedded in the crystalline structure of these soft clays
is a continuous record of Eocene precipitation along the western flank of the Sierra Nevada--a recor...
Clay material may have acted as 'primordial womb' for first organic molecules
...e have only started investigating the influence of clays
on the origin of life," Williams said....
New evidence indicates biggest extinction wasn't caused by asteroid or comet
...nction, though they looked specifically for impact clays
or material ejected from a crater left by such an impact. They contend that if there was a comet or asteroid impact, it was a minor element of the Permian extinction. Evidence from the Karoo, they said, is consistent with a mass extinction resulting...