Applying high-frequency electrical noise to the brain can boost maths skills up to six months later, say Oxford University researchers.

We had hoped that the flat cord would miraculously stop that noise transference to your ear due to the cable rubbing on your clothing as you walk. We found that most of the noise was the sound of the earbuds pulling against our ears, rather than the cables rubbing on our clothes, although there was some cable noise. We’ve definitely heard worse. Related Stories SuperTooth Disco Twin - stylish ...

Swiss broadcaster SRF has apologised for adding fake crowd noise to try and liven up its coverage of Sunday's Zurich derby, which kicked off in a near deserted