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It is not know why but the Great Barrier Reefs is always being attacked by hordes of Crown-of-Thorns starfish. Forty per cent of damage to the reef is done by the pest. Robots that can identify starfish and then inject them with a lethal toxin are being used to fight the invasion. The system works by having a submersible robot patrol about 30cm off the sea floor. When it sees a starfish an arm is extended and the injection is done. If a target is questionable the view is recorded in the robot's data base. A copy of the video is sent to human controllers who verify whether the robot has to return to finish the job. The robots get the starfish early before they can do any real damage to the reef. After the robots have done what they can, human divers go in to clear up the remaining starfish. This combined protective system will give the reef time to recover. ◆ Science  by Ty Buchanan   ◆ Adventure Australia Funny Animal Photos Funny Weird Things Articles News Re

Maybe vampires have got it right - infusing blood into one's body from a younger person is good for you. Saul Villeda did tests on rats. He injected older mice with blood from younger mice. The mice with ailments related to age got better. They actually became younger looking. Effects of aging were reversed. It is rumoured that Saul has infused himself with blood from young virgins. Though blood from virgins is really not necessary. Blood from any younger person will do. He has connected the circulatory systems of young and old mice together for several days. The older mice definitely became younger looking. Autopsies showed a 20 per cent increase in brain stem cell activity for the aging mice. There is a down side. When the blood systems of mice were joined together young mice actually aged. If this is true. And there is no reason to think otherwise. Factors in blood that cause changes in the aging process could be identified and used as a medicine. It wo