If they decide to invest in color-changing tile that looks like slate at first glance, because it makes them happy, then who are we to deny their choices?
It's as if hand-washing in any form "wipes the slate clean" and removes the residual feelings and rationalizations associated with the choice, Lee said.
One option for moving toward both biodiversity and terrestrial food supply goals is to produce greater yields from less land, thereby freeing land for conservation purposes.
To avoid further damage to the manuscript, the research team at the art museum has had to be extremely selective in the techniques they used to see the original writing.
A southeast-facing entrance per se thus seems to be the specific nest feature preferred by females, rather than the effect of selective positioning on current at the nest entrance.
Next the researcher introduced a third option, a third paddle that would initiate a new trial, giving the dolphin the choice of passing on difficult trials.