For more than 25 years, physicists have predicted that shrinking certain semiconductor nanotubes to extreme dimensions would fundamentally alter their electronic behaviour. The problem was proving it. Structures at this scale are notoriously difficult to manufacture because they become unstable long before reaching the sizes required for experimental validation. Researchers at the University of Tokyo…

A human brain that may date back more than two millennia has been recovered from a skull unearthed near York, offering an unusual case of soft tissue survival in Iron Age archaeology. The remains were first excavated in 2008 from a waterlogged pit at Heslington, where conditions appear to have slowed the normal process of…

China’s foreign ministry on Wednesday confirmed the arrest of Min Zin, a US citizen who heads a Myanmar-focused think tank, saying he was suspected of espionage and of endangering China’s national security.“It is understood that Min Zin has been placed under criminal detention by the relevant authorities in accordance with the law on suspicion of…

One million young people to be offered Meningitis B vaccine after deadly UK outbreaks / Image – file Around one million young people across the UK will be offered a meningitis B (MenB) vaccine under a major new NHS programme launched in response to a series of outbreaks that have claimed lives and raised concerns…