Small Things Considered

Talmudic Question #192

contributed by Pok Man Leung
The natural habitats of chemolithotrophs such as Lepto­spirillum and Pyrolobus contain organic compounds. Yet, when grown in the lab, these microbes... Read more →

Talmudic Question #191

As a model organism, E. coli played (and continues to play) a key role in molecular biology. Yet, its role in the gut does not appear to be so critical. Read more →

Talmudic Question #190

Which cause more severe diseases in humans, RNA or DNA viruses? Read more →

Talmudic Question #189

Can you imagine an active mode of motion that unicellular microbes are not capable of, but multicellular eukaryotes are? Read more →

Talmudic Question #188

Best we know, which contains the largest number of species: the Bacteria, the Fungi, or the Protists? Read more →

Talmudic Question #187

by Raymond Cox
Why does Brevibacterium grow so slowly? Read more →

Talmudic Question #186

In their classical experiments, Oswald Ave­ry, Colin Mac­Leod, and Mac­lyn McCarty showed that strep­to­coc­ci in a spe­ci­fic growth phase take up exo­genous DNA, result­ing in a trans­for­ma­tion of their phe­no­type... Read more →

Talmudic Question #185

Can you conceive of a virus that can divide by binary fission? Read more →

Talmudic Question #184

What will be found in the samples collected by Perseverance once they are brought to Earth and fully analyzed? Read more →

Talmudic Question #183

Can you think of any features of a viral genome that might allow you to tell if it is capable of causing a pandemic? Read more →