Australia needs the vision, evidence-based decision making, process and participation that scientist leaders offer, writes Emma Johnston.

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UNSW and ABC RN have launched Top 5 under 40, an exciting initiative to find Australia's early-career researchers with a flair and passion for communicating their work.

Sabrecat inside

In public imagination, the sabre-toothed cat Smilodon ranks alongside Tyrannosaurus rex as the ultimate killing machine. Powerfully built, with upper canines like knives, Smilodon was a fearsome predator of Ice-Age America's lost giants.

Science inside2

Australia's well-documented shortage of scientists is being tackled head on by UNSW research.