In some cases, camera strobes are sealed units that cannot be taken apart, which can pose a bit of a problem with over-zealous screeners. To this effect, some strobe manufacturers have issued a statement regarding the safety of bringing their units on planes. Print this statement out and bring it. In this case it has been attached to the strobe in question.

Travelling with Dive Equipment

Knives, spear-guns and other objects that can be used as weapons must, obviously, be checked. Any sharp objects packed in checked luggage should be securely wrapped to prevent injury to security screeners.

Basilosaurus, one of the most common of the primitive whales lived 35 to 40 million years ago
Basilosaurus, one of the most common of the primitive whales lived 35 to 40 million years ago. Note: rendition's accuracy is disputed because it would probably not have had exposed teeth like that.

Prehistoric whales got bent

A team of paleobiologists surveyed hundreds of modern and ancient whale skeletons for decompression syndrome, which occurs when quick pressure changes force air or fat bubbles out of blood vessels.

Such damage would have been common when whales first began plunging into the depths of the ocean, says Brian Beatty, of New York College of Osteopathic Medicine in Old Westbury, US, who led the study.

Ghostfishing

It is the nightmare of every diver who dives the Dutch North Sea—getting entangled in a fishing line of old net, unable to free yourself. The Dutch wrecks are becoming an ever popular destination for both the fishing and diving industry. A threat to both, fishing boats and anglers can lose their nets and lines on wrecks, and divers can lose their lives.