Small Things Considered

Talmudic Question #89

Of the ~10³⁰ prokaryotic cells on Earth, what proportion would you guess are viable (using your favorite criterion for viability)? Read more →

TWiM #38: The Sound of Whooping Cough

Vincent, Jo, Michael, and Elio review an outbreak of pertussis in Washington, and how culturing can reveal rare members of the soil biosphere. Read more →