"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical integrity." When you purchase through links on our site, we may earn an ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to be costly. Scientists tracked metabolism, blood, and hormone levels ...

Epaulette sharks reproduce effortlessly, without using much energy. The epaulette sharks, also known as “walking sharks,” do not have a rise in energy use during their reproduction cycle, according to ...

Goldstein, L. 1949. Contribution a l'étude de la sensibilité héréditaire au gaz carbonique chez la Drosophile. Mise en évidence d'une forme nouvelle du génoide. Bulletin Biologique de la France et de ...

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Sharks play a critical role in maintaining the balance of ocean ecosystems. Whether they’re top predators or mesopredators, their presence helps regulate populations of prey species and support the ...

Abstract: We propose a dynamics model of galvanotaxis (locomotor response to electrical stimulus) of the protozoan Paramecium. Our purpose is to utilize microorganisms as micro-robots by using ...

Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately following publication. Citation ...

Brian, P. W., Elson, G. W., Hemming, H. G., and Radley, M., J. Sci. Food Agr., 5, 602 (1954).

Hotter conditions prevent two tiny organisms working together for mutual benefit, new research shows. University of Exeter scientists studied a single-celled organism (Paramecium bursaria) which can ...