Archaeologists have found cloves and black pepper corns they believe to be more than 1,000 years old at a site in Sri Lanka.
We've got better at managing the health risks of traditional drugs of abuse, but novel psychoactive substances, or 'legal highs', are a dangerous unknown.
Island philosophies can be used to decolonise university courses and teaching. They can also advance sustainable development models and, ultimately, achieve responsible tourism.
The new psychoactive drug Spice is taking its toll on frontline policing.
New psychoactive substances, same problematic users.
Anyone for a 2,512-day-old burger?