Swarm science: how midges shed light on collective behaviour
In our cover feature this month, science writer Jennifer Ouellette discovers how tiny midges can shed light on collective behaviour in physics. You can also discover from Helen Gleeson how physicists are seeking to create liquid-crystal contact lenses – and learn from Stephen Ornes more about the technological challenges of going to Mars. And our veteran North America correspondent Peter Gwynne assesses the impact that Donald Trump has had on US science, one year into his presidency.
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