Two signaling molecules — strigolactone and ethylene — can work independently to begin the process of leaf senescence.
Recent sensational headlines give astute readers occasion to contrast valid scientific inferences from leaps of faith based on worldview assumptions.
Of all the discoveries made on mankind’s long march to civilization, there was one primal discovery that made the realization of all else possible.
The smaller a design, the harder it may be to detect. But miniature designs can inspire awe more than large ones.
The news from NASA today, undeniably of some mild interest, is being overblown.