Hempseed produces no observable high for humans or birds.
There are at least as many galaxies in our observable universe as there are stars in our galaxy.
Energy is a concept that has been coined by physicists. There is no observable thing known as energy anywhere.
Through trial-and-error and observable outcomes our ancestors narrowed the field of edible mushroom candidates to just a few with remarkable health-supporting properties.
Science has to be understood in its broadest sense as a method for comprehending all observable reality and not merely as an instrument for acquiring specialized knowledge.
We have failed to protect science against speculative extensions of nature continuing to assign physical and mathematical properties to hypothetical entities beyond what is observable in nature.
The future will be determined in part by happenings that it is impossible to foresee; it will also be influenced by trends that are now existent and observable.
Docility is the observable half of reason.
The physical laws in their observable consequences have a finite limit of precision.
A million million million million (1 with twenty-four zeros after it) miles the size of the observable universe.
Jesus taught that the mark of the Christian is the observable love shown among all true believers.
It is always observable that the physical and the exact sciences are the last to suffer under despotisms.
The simple but observable fact is that the more you love the more you are able to love.
Isolated material particles are abstractions their properties being definable and observable only through their interaction with other systems .
I am an anthropologist who lost faith in her own method who stopped believing that observable activity defined anthropos.
The difference so observable in men's understandings and parts does not arise so much from their natural faculties as acquired habits.
It is observable that God has often called men to places of dignity and honor when they have been busy in the honest employment of their vocation.
Science has to be understood in its broadest sense as a method for apprehending all observable reality and not merely as an instrument for acquiring specialized knowledge.
... much seemingly chance variation in human behavior is not due to chance; it is in fact the logical result of a few basic observable differences in mental functioning.
It is demonstrable and observable that our morals are based on our earliest spiritual beliefs. Matters of the Mind in no small measure have reflected matters of the Soul.
It is observable that the ladies frequent tragedies more than comedies; the reason may be that in tragedy their sex is deified and adored in comedy exposed and ridiculed.
All that is observable in a man-that is to say his actions and such of his spiritual existence as can be deduced from his actions-falls into the domain of history.
... on principle it is quite wrong to try founding a theory on observable magnitudes alone. In reality the very opposite happens. It is the theory which decides what we can observe.
What the use of P [the significance level] implies therefore is that a hypothesis that may be true may be rejected because it has not predicted observable results that have not occurred.