From lab electrodes to canopy bridges, sloth science shows how patience, data and habitat design turn mystery into daily survival.

Here are five animals that have turned inactivity into an evolutionary flex.

One of the most popular animals around is the sloth. They are so relaxed and laid back, and they always look like they're smiling. They're also very slow, which makes getting anywhere a long process.

Shelby A. Ryan receives a Vice-Chancellor’s PhD Training Priority Scheme Scholarship from the University of Newcastle. Her PhD project receives funding from WWF-Australia and Taronga Conservation ...

Sloths, the world's slowest mammals, have evolved over 64 million years into a species that thrives throughout Central America and northern South America, but climate change and human sprawl could be ...