More from Hal Hodson
Explore the latest news, articles and features
Health
Detecting a subway bioterror attack
News
Technology
Sharp-eared glasses let deaf people ‘see’ sounds
News
Earth
Waste water harnessed to make electricity and plastics
News
Technology
Robot learns to recognise itself in the mirror
News
Health
Fingertip tingle enhances a surgeon’s sense of touch
News
Technology
Power struggle: How to keep India’s lights on
News
Technology
Face recognition finds lost pilgrims in Mecca
News
Health
Cheap drugs: Pharming finally bears fruit
Features