"To the Moon and Beyond": Humans are returning to the Moon, and this time, the plan is to stay a while.
"Five Essential Things to Do In Space": Five goals that planetary scientists have for exploring the solar system.
"Conservation for the People": A new focus on protecting ecosystems vital to people's health.
"Experimental Drugs on Trial": There is a challenge to the Food and Drug Administration's rigorous requirements for drug testing.
"How Does Consciousness Happen": Two leading neuroscientists disagree about brain activity and subjective experience.
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