jellyfish

Jellyfish or jellies[1] are the major non-polyp form of individuals of the phylum Cnidaria. They are typified as free-swimming marine animals consisting of a gelatinous umbrella-shaped bell and trailing tentacles. The bell can pulsate for locomotion, while stinging tentacles can be used to capture prey.

For more information about jellyfish check the Wikipedia article here

ZME Science posts about jellyfish

Synthetic jellyfish made from rat heart cells can swim like the real deal

Mon, Jul 23, 2012

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A team led by researchers at the California Institute of Technology (Caltech) and Harvard University have built this remarkable display of modern bioengineering – a completely engineered jellyfish that blends both living and non-living parts, masterfully fitted together. Called the medusoid, this cyborg jellyfish was created using silicone and muscle cells from a rat’s heart, [...]

Robot jellyfish that runs on hydrogen can swim forever in the ocean

Wed, Mar 21, 2012

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After a three year effort, researchers at Virginia Tech have successfully managed to create a silicone robot that functions underwater by mimicking the  motion of a jellyfish. The robot can propel itself thanks to the heat-producing reactions catalyzed by its surface, and since it uses hydrogen and oxygen found in the water as fuel, the Robojelly can theoretically [...]

Leatherback turtles get sanctuary on US coast

Sat, Jan 21, 2012

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Federal regulators have designated almost 42,000 square miles of ocean as critical habitat for the leatherback turtles, the largest turtles in the world; even though this is a much welcomed initiative, the surface is far, far less than environmentalists and biologists were expecting. A haven for turtles This protected area is the first of its [...]

The deadliest creature in the world

Mon, Aug 3, 2009

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So, microorganisms and other humans aside, what do you think is the deadliest creature in animal kingdom? A snake, perhaps a lion or bear, a scorpion perhaps? Neah, not even close. The deadliest creature in the world is actually called a sea wasp. Specialists use the term ‘deadliest’ when they refer to venomous creatures, that [...]

Giant files: Nomura and Lion’s mane jellyfish

Sat, Aug 1, 2009

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The Nomura Jellyfish Nomura Jellyfish are a large species of Japanese jellyfish, that seems to be giving them some big headaches. They can grow up to 2 meters in diameter and usually weigh over 200 kilograms, going up to 220 in numerous cases and they spawn in the seas between China and Japan, invading the [...]

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