Sentence examples for is a demonstrable fact from inspiring English sources

The ~400ppm we see now is still less than the probable optimum of ~2000ppm, which is a demonstrable fact, and levels around 1000ppm are routinely used in greenhouses to boost plant growth.

It is a demonstrable fact that players run that little bit harder and are more strongly motivated when they can hear the roar of passion from their committed followers.

For Hegel it is indeed essential to convince us that it is a demonstrable fact that objects in the world are realized concepts.

It is a demonstrable fact that spraying insecticides to kill insects will select for resistance.

This attainment requires looking beyond material appearances to a spiritual reality that orthodox Christianity associates with heaven but that Christian Science considers to be a demonstrable fact.

"I know I'm a creative genius," he said -- it's a demonstrable fact at this point, safe from the credibility-straining effects of West's legendary arrogance -- but genius, he added, is still subject to the "racist, classist" elements at work against him.

It's a tactic that is a demonstrable failure, only validating anti-immigrant politics.

"We're doing a controlled, prospective study right now to see if there is a demonstrable effect.

unless there is a demonstrable difference in the behavior associated with each state.

What's missing from the equation is a demonstrable improvement in overall productivity, as Steve Lohr writes.

There is a demonstrable need for tobacco control in Zimbabwe.