Concussion evidence hidden by the NFL is the issue.

FORBES: Connect

In a wide-ranging address, the prime minister also defended the UK's intervention in Libya and said the new Libyan authorities had found evidence of chemical weapons hidden by the Gaddafi regime.

BBC: Euro crisis 'opportunity for UK' to reclaim powers - PM

Mr Kerr, now press officer for Mr Sheridan's Solidarity Party, said he contacted police after a bug was allegedly found on the ex-MSP's car but was told there was not enough evidence on who had apparently hidden the device.

BBC: Tommy Sheridan's SSP colleagues accused of jealousy

We need evidence that they are more effective than hidden cameras.

BBC: Speed camera plan 'may cause deaths'

Although the prosecution was able to prove that the two bombs had been hidden in luggage originating in Vancouver, capital of British Columbia, it was unable to provide hard evidence linking the two men directly to either the fabrication or the planting of the bombs.

ECONOMIST: Air India bombing

What this new, evidence based, understanding of the unconscious mind tells us Leonard Mlodinow argues is that there's no hidden meaning or emotional value attached to the subliminal processing that goes on in the brain.

BBC: A golden age of discovery in neuroscience