Society

Into the weeds

We can’t decide what to call it—marijuana, dope, pot, grass, bud, green, hash, weed, devil’s lettuce, jazz cigarettes—or how to manage it. One thing is certain: cannabis is undergoing a radical image makeover.

Science & Environment

Troubled waters

Swimmable rivers or more hooves on pastures—is there a way of improving water quality without paralysing the primary sector? Or has agriculture reached an environmental tipping point?

Profile

The mists of time

Earth’s early days remain shrouded in mystery, but Kathy Campbell is helping to clarify how life began—and whether there was life on Mars.

Archive

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