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LISTENING to instrumental music such as jazz while driving can reduce stress, a study has found. The research suggests tunes without vocals ease the tension of being in heavy traffic. Stress while driving is a risk factor for the development of cardiovascular disease, according to previous work. But suitable driving music may be one way to lower the danger. The results would be music to the ears of Fast Show TV comedy star John Thomson’s jazz presenter character — famous for his [...]

Brazilian-Japanese team unravels mechanism of unusual light colour emission, which might prove useful in imaging haemoglobin-rich tissues Many animals have the ability to emit light, but the most studied emit yellow-green light. An exception is the railroad worm, the larva of the Phrixothrix hirtus beetle, which emits both red and yellow-green light. It has a row of light-emitting organs along its body, giving rise to an effect like the lights of an illuminated train carriage, hence the name. [...]

A previously undiscovered species of electric eel which delivers a shock with more than three times the voltage of a domestic plug socket has been discovered in the Amazon rainforest. The enormous 2.5 metre eel has been named the Electrophorus voltai after Alessandro Volta, the Italian physicist who invented the battery.  The animal, a type of knifefish, can discharge an electric shock reaching as high as 860 volts, the most powerful of any animal known to [...]