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Publishing in the Oct. 17 issue of the journal Cell, scientists at Rutgers University describe a group of antibiotic compounds, first isolated decades ago from naturally occurring antibacterial substances in soil. Among them, researchers say, is a compound called myxopyronin that shows great promise. It has been synthesized in the lab and shown to be safe in animal trials, and although the drug hasn’t been tested in humans yet, cell-based experiments suggest that it is potent enough to kill a wide range of stubborn bugs, including drug-resistant strains of tuberculosis and the deadly type of staph known as MRSA.
For middle-aged and older people at least, using the internet helps boost brain power, research suggests.
A University of California Los Angeles team found searching the web stimulated centres in the brain that controlled decision-making and complex reasoning.
The researchers say this might even help to counteract the age-related physiological changes that cause the brain to slow down.
Scientists have shown it is possible to harness brain signals and redirect them to make paralysed limbs move.
The technology bypasses injuries that stop nerve signals travelling from the brain to the muscles, offering hope for people with spinal damage.
So far the US team from the University of Washington have only tested their “brain-machine interfaces” in monkeys.
The hope is to develop implantable circuits for humans without the need for robotic limbs, Nature reports.
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