science and technology on Challenges

Any experienced gardener has heard of a botanical term called Apical (ah-pick-ul) dominance. In most plants that grow from a central stem, from maple trees to bush peas, whatever branch is at the top ...

Who cannot relate in the digital age to the irony of being overconnected and lonely all at once? Yet Chief Justice John Roberts, speaking at his son’s middle school graduation, exhorted the young grad...

In the desert outside of Tucson, scientists dreamed up an experiment to re-create the conditions of earth for space, when and if the earth could not be made great again. The biosphere was a little wor...