A new study from CalTech suggests that serotonin levels may be regulated to some degree by the gut microbiome. Researchers are investigating the degree to which bacteria in the guts of mice are able to confer serotonin-dependent function in comparison to control, or "germ-free" mice. Further s... Read More
Science writer Maryn McKenna interviews John Sever, MD, PhD, former chief of infectious diseases at the National Institutes of Health and current vice-chairman of Rotary’s International PolioPlus Committee, about the early days of the polio struggle and the introduction of the polio vaccine.
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This is my video to participate to the ASM Global Video Challenge. It explains that bacteriophages, which are viruses specifically targeting bacteria, are not dangerous for humans. The myth that all viruses are dangerous for human is broken! This myth is often encountered in the growing field of... Read More
This episode: Genes taken from bacteria may have been important for the evolution of distinct groups of archaea!
(7.4 MB, 8 minutes)
A leukemia-like cancer is killing soft-shell clams along the east coast of North America. The cancer is transmitted between animals in the ocean, and appears to have originated in a single clam as recently as 40 years ago. Read More