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A New Breed of Invertebrate: Half-Rat, Half-Silicone Cyborg Jellyfish

A team of scientists might have just put Jellyfish Art out of business with their new cyborg jellyfish. By arranging the heart cells of a normal rat on a piece of silicone, they've successfully created their own Franken-jellies. When in salt water with a fluctuating electrical field, the rat's heart muscles on the rubbery silicone contract the lobes downward and back up, which mimics the pulsing movement of a young moon jellyfish swimming.

How To: Get six pack abs in 12 weeks

In this video, Jeff Cavalier demonstrates how the viewer can obtain six pack abs in just twelve weeks while training at home. He begins by explaining that he will show the viewer five separate work outs techniques. The first exercise is called a X-man crunch. To complete this exercise you must lay on your back, with your body in an "X" shape. You then tighten your stomach muscles and bring your legs and your arms together towards the middle. The second exercise is called Heels to the Heavens....

How To: Avoid Injury While Exercising

When exercising at a high intensity, you know to expect some level of pain. That can make it difficult to identify when your body gives you a warning sign of injury. If you pay close attention, however, you can tell the good hurt from the bad. I talked to Dr. Brian Parr again, professor at the Dept. of Exercise and Sports Science at the University of South Carolina Aiken, who explained which symptoms of exercise are normal and which are bad:

How To: Make Healthier Food Choices by Clenching Your Fists

We've all walked into a restaurant with the best of intentions only to order something absurd, like a cheese-injected burger topped with bacon on a brioche bun. It's delicious for the few minutes it takes to eat the thing, and then you're left with a bellyful of regret and an inability to directly look at the numbers on your scale. Turns out that getting yourself to make healthy choices isn't as hard as one might think.

How To: Do squats for dummies

Squats strengthen your butt muscles, hamstrings and quadriceps. First, pick up your dumbbells. Bring the dumbbells by your hips, thighs or let them hang by your side. Next, stand with your feet shoulder width apart, toes pointing forward and stand straight and tall. Sit down like you're sitting on a chair. Don't let your knees pop out in front of you. Go down slowly and don't let your knees lock on the way back up. Don't shift your body weight forward. Instead, push through your heels. You ca...

How To: Swim a proper freestyle

New techniques may improve a swimming pool workout from Masters coach Nancy Kirkpatrick Reno. Before sticking a toe in the water, consider this advice: * Swim in a pool that's at least 20 to 25 yards long; those pools can usually be found at high schools and some gyms. A 50-meter Olympic-size pool is best, but not everyone has access to that. "If you're going to become a lap swimmer," Kirkpatrick-Reno says, "you can't go any shorter or you'll be constantly turning." An outdoor pool is prefera...

How To: Play with a Rubik's Cube Lego puzzle

Puzzles include multiple pieces each with a designated pattern so that when a user regroups the pieces, a picture or a particular image is presented, which provides practice to the coordination of the user's concept to space and structural relationship between pieces. However, no matter how large the quantity of the pieces is, puzzles only provide user's spatial concept in two dimensions. To enhance spatial concept and increase entertainment to the user, building blocks are promoted so that u...