Much of the difference between the single-celled fungus and the two multicellular animals is accounted for by those genes and proteins that make multicellularity possible.

ECONOMIST: Genomics

The fact that he was blaming it on the set-up was probably further illustration - for actually he had already shown in the third practice session and the first two qualifying sessions that there was very little difference between the single-lap potential of the two set-ups.

BBC: Can faultless Button tame thrilling Hamilton?

This is why the hidden costs of single-payer health care would easily swamp any minuscule difference in administrative costs and profits there might be between a private health insurance plan and a tax-financed public plan.

FORBES: 5 Myths in Steven Brill's "Bitter Pill" -- Part 2

The most obvious difference between a yeast and a nematode is that one is single-celled while the other is multi-cellular.

ECONOMIST: The first complete DNA sequence of an animal is now in the bag

"Every non age-related difference you can see in this room and across the globe, every single one is contained in one half of 1 percent of our genetic makeup ... but every one of us spends too much time on that half a percent, " Clinton said.

NPR: Holocaust Survivors, Veterans Gather At DC Museum

The President is going to be pounding the pavement over the next two days, visiting all these states because he feels this is a pivotal time, and every single extra doorknob, every single extra phone call could make all the difference in what we think will be a razor-thin election.

WHITEHOUSE: The White House