Swiss Re has announced that Ute Michaelsen, who has led its North America facultative property/casualty division since 2016, will step down on March 31 after 28 years with the company. Michaelsen ...

Some organisms live and reproduce in oxygen-poor or oxygen-deficient environments. These types of organisms also need ATP to sustain life. To obtain the required energy they undergo anaerobic ...

Facultative sex is often heralded as the best of both worlds. Species can experience the advantages of both sexual and asexual reproduction, without many of the associated limitations of either mode.

Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, California 90095, United States ...