In the early 1950s, experiments by two teams of researchers, Salvador Luria working with Mary Human and Joe Bertani working with Jean Weigle, showed that some strains of bacteria were more resistant ...

Restriction factors are cell-intrinsic genes expressed by the host that limit virus replication. Restriction factors are characterized by the rapid evolution of their coding sequences (under positive ...

Calorie restriction—in which people give up food for a whole day or drastically slash their caloric intake for a spell—is an unpleasant-sounding eating pattern. Yet a growing body of science suggests ...

Scientists first observed the biological phenomenon of restriction and modification in the 1950s, but they did not identify and isolate restriction enzymes until the late 1960s. 3 In 1970, Hamilton ...

A study that developed biological age clocks to predict a person's age, which may differ from chronological age, showed that a reduced-calorie diet among the trial participants caused a major ...

New research from Murdoch University's School of Allied Health and Health Futures Institute has found that wearing blood flow ...

People trying to lose weight often restrict the number of calories they eat. However, restricting calories too severely can lead to a variety of health problems, including reduced fertility and weaker ...