Microscopic slow motion jellyfish stings

Have you ever been stung by a jellyfish and wondered to yourself how some things so small and non descript could possibly hurt so much?A new video posted by SmarterEveryDay explains how jellyfishes� tentacles are equipped with organelles called nematocysts that extend whenever they come into contact with something else and inject venom directly into it. To give us a demonstration of this, there's amazing microscopic slow-motion footage of jellyfish tentacles that get stimulated with electricity a 9-volt battery. Once the tentacles get touched, we can see tiny little prickers protrude from them that would injected venom into...

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Banana Splits

So it was nice to get back in the water with some nice viz and good diving, especially after the last few weekends where it's been a bit hit and miss.The lovely people at Tortuga Divers once again provided the transportation to the dive sites where we had the delightful company of Catain Nige, Little Jon and Linda the Swedish Assassin. Conditions were relatively good at the surface with a 9-11 knot Easterly with a minor swell.We motored out round the corner to the North side and jumped in on Split Rock for the first dive, where Jon was right at the front and was immediately checked out by and eagle ray close enough to give him a quick snog! As...

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Shark Week Debunked

Exactly. This. Shark Week used to be exciting, educational and informative, now it's all just sensationalism and does little to help the plight of sharks who are still being slaughtered to the edge of extinction. Way to go Discovery channel, keeping it real as always........Link: H...

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Ghost of the ocean

Though jellyfish tend to be the weirdest things, and thus one of the most fascinating, creatures in the ocean they�re also some of the most dangerous. From stepping on jellies that washed up on a shore to getting tangled in their tentacles while you relax in the water, if you frequently visit beaches, you likely have some close encounters with these goops of pain. Luckily, though, the most terrifying of the bunch are generally floating farther away than you�re likely to swim � such as a newly discovered, extremely venomous jelly that is baffling scientists because it doesn�t have any noticeable tentacles. Discovered off the...

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The Witches Promise

Diving proved to be a little, dare I say it, disappointing as we headed South and ran in to strong currents. After three mooring attempts at various sites, a drift dive was elected as our preferred method of getting wet.In this instance, as the first person has to ascend, so does everyone else. So 25 minutes later with less than than 50 bar used we were at the surface and barely a shot was taken. The second dive proved to be just as "interesting" , again with strong currents, surge and poor viz (poor for this island, it's all relative. In Scotland it would be world class viz!).Some days you win, some days you lose so please enjoy the few shots...

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