Editor's Note: Julian Hunt, the lead researcher on this study, has contacted us to say the figures quoted in the original press release, as well as the research paper and subsequently this piece, are ...

Ah, the stately hot air balloon. Not really useful for all that much except for having a grand old time floating around the skies, it's still a marvel of simple physics. Fill a giant balloon with air.

Introduction Have you ever thought about why most fishes never sink to the bottom of the ocean or float to the water’s surface? How is it that they can stay so perfectly buoyant underwater? You might ...

Manatees are incredibly intelligent marine mammals who show long-term memory and associative learning skills on par with dolphins. They are thought to have inspired the myth of the mermaid. (In 1493, ...

Virtually nothing has been known about leatherback turtle diving strategies, but now scientists have discovered that leatherbacks regulate their buoyancy by varying the amount of air they inhale ...

There’s a lie at the heart of Rodd Rathjen’s Buoyancy, and that lie is freedom. It’s a fantasy spun by capital: that a boy might be free to leave his family, forego the confined and overdetermined ...

A Cambodian boy looking for a better life is sold into slavery aboard a Thai fishing trawler in 'Buoyancy,' Rodd Rathjen’s first feature and Australia’s Oscar submission. By Deborah Young Australia’s ...