Labeled-Release Experiment: Sought life forms able to assimilate the carbon tracer placed in a nutrient-laden broth that was “fed” to the surface samples Gas Exchange Experiment: Sought life forms ...

Experimental Realization of a Rotational Ratchet in a Granular Gas. Phys. Rev. Lett., 104, 248001 (2010) DOI: 10.1103/PhysRevLett.104.248001 ...

The exchange of gases within an animal burrow has been an extensive area of study due to the barrier that the burrowing medium (both aquatic and terrestrial) often imposes to the diffusion of gases.