It's a scientific fact that there's nothing cuter than a baby sloth in a bucket. But even if Facebook 'likes' turn out not to correlate with biological fitness, sloths are a runaway success by any measure. Well, maybe not...
'Biomimicry' is a way of designing that asks "How would nature do it?". Other creatures on Earth have spent millions of years perfecting their craft in ways that are inherently sustainable. The ones that got it wrong are...