DailyDirt: Strange Forms Of Life...

Nature has plenty of surprises left for us. Life exists in some extreme environments that you wouldn't think anything would survive, but somehow little creatures are still thriving in some of the coldest, darkest, most acidic, hottest and just unusual places. Life just needs to be able to feed on something -- light, sugar, electricity. Here are just a few bizarre discoveries in biology.

• Mitochondria are commonly called the "powerhouses" of complex living cells, and biologists have been looking for years to see if there are any examples of eukaryotes that do not have mitochondria. They've finally found an example -- in the gut of a pet chinchilla -- but it is NOT the missing link of eukaryotic evolution. This microbe's ancestors are known to have mitochondria, so this particular organism somehow lost its mitochondria and managed to survive using other non-mitochondrial mechanisms. [url]
• There are a few photosynthetic animals in nature. And if you're really into transhumanism or biohacking, maybe humans can engineer a symbiotic way to metabolize sunlight and forget about eating or breathing. [url]
• Some "electric bacteria" can feed directly on electrons flowing from an electrode. These "electricity breathers" in sediment have been found in vastly different locations in California, and researchers have identified at least 8 different kinds of electric bacteria. [url]

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