Tag Archives: risk in expedition

Diving into the ocean bottom steered by a video game controller

Imagine you are driving through Sahara, your car is powered by solar energy. Now all on a sudden, solar panels or the device that catches sunlight went out of order either due to a malfunction or physical damage that occurred as the trail you are driving through is rough or you just hit against any roadside object very hard. Although your solar device is labeled ‘failure resistant’ or resistant against severe weather changes, things on real expeditions can always face life-threatening challenges. (more…)

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Land Animals Proliferate Faster Than Aquatic Counterparts

New analyses of vertebrate groups performed by UA evolutionary biologist John Wiens suggest that habitat is a more important variable than climate or metabolic rate.

Of the nearly 1.5 million known animal species on Earth, those with backbones come in a stunning array of shapes and sizes. Vertebrates include fish, amphibians, reptiles, birds and mammals, and the number of species within these groups can vary wildly. For example, there are only six species of lungfish and only 25 crocodilians — but roughly 10,000 birds and 9,700 lizards and snakes. (more…)

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