For space scientists of all stripes, few goals are as crucial as bringing pieces of Mars, of asteroids, of other planets and moons back to Earth for the kind of intensive study only possible here. Space missions can, and have, told us many truths about the solar system, but having a piece of Mars …
What, Exactly, Is A Virus?
By now, the coronavirus is an all too familiar menace to most of the peoples of the world. How it is spread, the symptoms of the disease, the absolute necessity of taking precautions against it -- most people know something about the coronavirus pandemic. But the question of what a virus actually is, what are …
Many Worlds 