Painters Claire Downes Whitehurst and Jack-Arthur Wood have "no bones," at least when it comes to a new show opening Friday at Pond Gallery, just off Fayetteville's downtown square. "Claire and ...

Normal human colour vision depends on three types of cone photoreceptors (short-, medium- and long-wavelength sensitive — S, M and L) that have different but overlapping spectral sensitivities. Genes ...