By David Sim
- Apocalypse soon? Five most catastrophic risks to humanity identified
- Eating chocolate every day 'reduces risk of heart disease'
- Cult recruitment: Why do people join them and what techniques are used to lure them in?
- World Tai Chi & Qigong Day 2016: Thousands set to celebrate ancient Chinese martial art
- Microsculpture: Incredibly detailed macro insect photographs reveal their beautiful and bizarre forms