Showing posts with label strong. Show all posts
Showing posts with label strong. Show all posts

Sea Slug Latrunculin A. Toxin to Treat Cancer

Chemistry: sea slug toxin will kill cancer cells.
Sea slugs can be beautiful with their brightly colored coats. However, they carry the most toxic substances known. They display "you can't miss us" patterns because enemies try to avoid them.
Sea slug brightly colored
They eat meat. The closest thing to a vegetable that they consume are sponges. t is the toxin stored in their bodies. They get this from food. Shrimps die immediately when they are attacked by sea slugs. Apparently, a sea slug will die if Latrunculin A. gets into its bloodstream.

Tests show that the main sea slug toxin will kill cancer cells. It could potentially also be used to treat neurodegenerative disease. The problem is of course finding a transport medium and getting it to market.
 Chemistry by Ty Buchanan 
 Australian Blog
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The Dung Beetle Is the Strongest of Them All

Who's the strongest pound for pound? That bug upon the ground!

Scientists have worked out which creature is the strongest. It is a dung beetle, Onthophagus taurus. This tiny bug can pull 1,141 times its own body weight. For a human to equal this he/she would have to lift 80 tonnes, equivalent to six trucks.

The dung beetle has to be extremely fit and healthy to accomplish this feat. Putting them on poor diets before a test reduced the amount they could pull. Apparently, they have to be strong because of their lifestyle. A male digs a deep hole under a dung pat where he mates with a female. If another male enters the tunnel the two males will fight a furious battle by locking horns until one is pushed out. The more weight a male can pull the more likely he is to win the fight and be able to mate, thus passing on his genes for high strength.

Some male beetle don't seem to compete with the large aggressive males. They are born smaller and weaker. When they were fed more they still did not take up the fight, but their testicles became larger. This enables them to mate more often taking advantage of larger males who let their guard down.
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Tyrannosaurus rex Had a Tremendous Bite

Knowledge about ancient animals is going in leaps and bounds. Every month or so something new is discovered. Tyrannosaurus rex, for example, had a bite far stronger than imagined previously. The "Terminator" pig-like Archaeotherium was assumed to have the strongest bite of all. This view has now changed.

Tyrannosaurus rex was no wimp. It could take chunks of meat out of living victims. In-depth research was done on the head of the ancient beast. A computer simulation with skeleton and muscles showed a tremendous bite of 1350 kilograms of force. This was at the back of the mouth where the bite was strongest.

To put this into perspective, modern crocodiles and alligators have a bite of about 1,200 kilogram. The shark is feared, but it has a bite of only 300 kilograms. Dinosaurs were really frightening animals when all animals were very large. Man would have been out of place in such an environment. With animals having tremendous biting power humans would not have survived for long.
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New Super Strong Nanotube 'Muscle' Developed

Superman or indeed cyberman could soon be with us. Artificial muscles that can hold thousands of times their own weight have been invented. The breakthrough has been made by a team from four nations: Australia, Canada, the US and Korea. Carbon nanotubes were first wound into yarn in Australia. This super strong material far exceeds the flexibility of other artificial muscles.

This is not strictly new. It was done several years ago but now work is under way to apply the technology. The yarn is does not yet have enough mass to be used for arm or leg muscles. Ideally, better heart valves, pumps, and positioners could be developed.

The yarn has an interesting property: it can be made into a helical structure that will rotate right or left. Applying an electric charge causes it to spin. This makes it easy to propel a tiny object along in the bloodstream for example. This new discovery could revolutionize medicine.
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