REAL-TIME VISUALIZATION OF JOINT CAVITATION.

Real-time visualization of joint cavitation.

Cracking sounds emitted from human synovial joints have been attributed historically to the sudden collapse of a cavitation bubble formed as articular surfaces are separated.Unfortunately, bubble collapse as the source of joint cracking is inconsistent with many physical phenomena that define the joint cracking phenomenon.Here we present direct evi

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Fluvial sedimentary deposits as carbon sinks: organic carbon pools and stabilization mechanisms across a Mediterranean catchment

The role of fluvial sedimentary areas as organic carbon sinks remains largely unquantified.Little is known Outdoor Sectional about mechanisms of organic carbon (OC) stabilization in alluvial sediments in semiarid and subhumid catchments where those mechanisms are quite complex because sediments are often redistributed and exposed to a range of envi

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Isolation and structure of the fibril protein, a major component of the internal ribbon for Spiroplasma swimming

Spiroplasma, which are known pathogens and commensals of arthropods and plants, are helical-shaped bacteria that lack a peptidoglycan layer.Spiroplasma swim by alternating between left- and right-handed helicity.Of Push Button Switch note, this system is not related to flagellar motility, which is widespread in bacteria.A helical ribbon running alo

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