To survive, bacteria infect a host by replicating themselves, infecting cells, and then exiting those infected cells. A typical example of this process is seen in Shigella flexneri, a bacterium ...

But while only one of the two can advance to the second week, their much-hyped match perhaps embodies the current state of American men's tennis, and the enthusiasm around the top group of players.

Bacterial cells can "remember" brief ... A recent study showed that the children of men who were exposed to the famine in utero, exhibited an increased tendency to become overweight as adults.

Bacterial cells can 'remember' brief ... A recent study showed that the children of men, who were exposed to the famine in utero, exhibited an increased tendency to become overweight as adults.