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Wisconsin Historical Society maritime archaeologists recovered a historic dugout wood canoe from the bottom of Lake Mendota in the US state of Wisconsin yesterday, just a few months after learning of its existence in June 2021. The canoe is a remarkable artifact, made from a single tree.

Corals are able to respond to changes in their environment through acclimation (the physiological process of becoming accustomed to a new condition) and adaptation and researchers believe natural populations may already be adapting to increasing sea surface temperatures.

A deeper understanding of how coral holobionts (the coral animal together with its associated algae, bacteria and viruses) respond or adapt to stress provides opportunities to modify these responses, using the same mechanisms that corals have naturally evolved to survive stress.

Understanding the recovery dynamics of corals is paramount to enabling the effective management of coral reefs. While detailed mechanistic models provide insight into reef recovery patterns, colony scale monitoring is not viable for reefs over a large geographical extent, such as the Great Barrier Reef (GBR).

How much do baleen whales eat every day?

Researchers have discovered that baleen whales actually eat an average of three times more food than previously thought. This in turn means that we have been underestimating their impact  and contribution to ocean’s ecosystems.

This finding was shared in a paper in a recent issue of the Nature journal.

A team of scientists at the King Abdullah University of Science and Technology are applying innovative approaches to 3D printing solutions in a bid to restore depleted coral reefs.

Instead of using synthetic or hybrid materials, they have developed a new approach called 3D CoraPrint, which uses an eco-friendly and sustainable calcium carbonate photo-initiated (CCP) ink that they also developed.

In the colonization process, coral microfragments are attached to a printed skeleton. There are two methods used, and both start with a scanned model of the coral skeleton.

Modern dive computers are fantastic tools, which are getting still easier to use, with clear and nicely designed interfaces that are easy to read and intuitive to use. Many of the later models are also great-looking wearable tech and sleek enough to pass for a fancy wristwatch. But wouldn’t it sometimes be nice to have a closer look at what is behind those shifting digits and the mechanics of decompression calculations?

Enter decompression software, such as DecoPlanner, which provides the user with precisely such a window into how dive profiles and decompression are calculated.