A dazzling video shows a quadcopter drone gently shooing unwanted critters away from poultry farms with a laser light show.
Engineers are turning to animal origami, from insects that tuck away wings to a protist with an accordion-like neck, for design help ...
The lights in the auditorium darken. The cacophony of voices subsides. The enormous screen comes to life, displaying a satellite image of Australia and the scattering of islands directly to the north.
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