Tag: jellyfish

Dolphins "Play Ball" With Jellyfish (As in, Jellyfish Is the Ball)

By Brett Israel | October 19, 2009 3:22 pm

Humans aren’t the only ones who enjoy a game of soccer (or football, depending on where you’re from). A new video has surfaced showing dolphins “kicking” around a ball—only the ball, in this case, is a jellyfish.

From the Daily Mail:

A team of marine biologists were astonished to see a dolphin swim under a jellyfish and with a quick flick of its tail shoot it out of the water. The bottlenose dolphins were caught on video performing the strange activity off the Welsh coastline. One dolphin was able to flip the jellyfish six feet up in the air.

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Discoblog: Scientists Befuddles by British Dolphin Suicides

Video: YouTube / countrysidecouncil

MORE ABOUT: dolphins, jellyfish, soccer

Weird Science Roundup: Invasion of the Jellyfish!

By Allison Bond | July 3, 2009 10:00 am

Yee-haw! It’s the blog roundup.• Between global warming and trans fats, there are plenty of things to worry about. But we bet you forgot about this one: A massive jellyfish invasion that some Japanese researchers fear could occur this year.

• If you think you’re important, think again—unless you have a fish or insect christened in your honor. Check out this list of species named after famous people.

• Always having to see with your eyes can get tiring. Luckily, you can use sound to “see” by using echolocation, the same technique used by dolphins and bats to guide themselves and find prey. Experts in Spain say it takes just a few weeks of training to master the method.

• Add one more thing to the list beer can do: Send you into space on Sir Richard Branson’s spacecraft. Guinness is offering one lucky winner the chance to hurtle 68 miles above the Earth at three times the speed of sound. The contest is accessed via the company’s Web site and is open to people in 28 countries.

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Discoblog: The Curious Case of the Immortal Jellyfish
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MORE ABOUT: beer, insects, jellyfish

The Curious Case of the Immortal Jellyfish

By Nina Bai | January 29, 2009 2:45 pm

hydrozoaIt’s official: the only thing certain in this world is taxes. That’s because death, for a tiny sea creature, is not inevitable. Turritopsis nutricul, a jellyfish-like hydrazoan, is the only animal known to be potentially immortal.

Once it reaches sexual maturity, Turritopsis looks like a tiny, transparent, many-tentacled parachute (only about 5mm in diameter) that floats freely in warm ocean waters. But when times get tough, Turritopsis can turn into a blob, anchor itself to a surface, and undergo a sort of reverse methamorphosis back to its youthful form as a stalk-like polyp. That’s like a butterfly turning back into a caterpillar. Scientists, who first described this phenomenon [pdf] in the 1990s, believe Turritopsis can repeat its life cycle indefinitely.

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MORE ABOUT: immortality, jellyfish

DISCOVER’s Top Ten Science Halloween Costumes, Part II

By Nina Bai | October 29, 2008 2:25 pm

Yesterday, we revealed the first half of our official Top Ten Science-Related Halloween Costumes. Now we bring you the Top Five.

robot5) RecycleBot: Today’s high-tech robots can walk, talk, and put away groceries. This one’s no Wall-E, but there’s a certain old fashioned charm to a giant robot made from recycled laundry detergent bottles. With a bit of tweaking, this could also work for either Ironman or Tin Man.

Image: Instructables / chaintool

biohazard4) Biohazard Suit: The sky is falling, and we don’t mean the stock market. Protect yourself from harmful radiation and slobbering-drunk partygoers with this outfit, complete with Geiger counter, gas mask, and Level B chem suit.

Image: Instructables / mada

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MORE ABOUT: jellyfish, robots

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