The definition you're showing there is a adjective. The verb form of bare means to uncover, which doesn't make much sense in context: Dutch Genes Still Uncover Scars. Compare with Dutch Genes Still Feature Scars.

There's a note on usage on the page you provided:

> There is considerable confusion between the verbs bear and bare. It may help to remember that the verb bare has only one meaning: "to uncover," as in "bare your shoulders" and "a dog baring its teeth." All other uses of the verb are for bear: "bearing children," "the right to bear arms," "bearing up under the stress/weight," "can't bear the thought," "bear south," "it bears repeating."