When threatened by a predator, these lizards dive beneath the surface and create ... We also know that they’re pulling oxygen from this bubble of air,” said Swierk. “We didn’t know whether ...

7. Are there any alternatives to taking a scuba tank on a plane? Indeed! Consider using portable dive systems or renting gear at your destination to avoid the challenges of air travel with scuba ...

With the increased pressure, the O2 can be added to a SCUBA tank that contains high pressure air to create what’s ... in the blood – increasing a divers safe time at depth underwater.