Bacteria differ in their ability to fend off antibiotics, and in the methods they use.

"People differ in their ability to sustain a high level of activity," he said.

And people can differ enormously in their genetic ability to do these metabolic conversions.

The three subspecies differ in their ability to disperse.

Some genetically different strains of rats, for example, differ in their ability to learn to run through mazes.

Harbison continued this line of thought by investigating whether the two genera differed in their ability to transfer.

It differs from the Taylor series in its ability to capture 'memory' effects.

People with lactose intolerance differ in their ability to tolerate dairy products.

Even those with nursing experience may need help since babies differ in their ability to nurse.

The Rose appears to have differed from other theatres of the era in its ability to stage large scenes on two levels.