When a bet may not be gambling – the puzzle of prediction markets

Prediction market operators allow speculation on sporting events. PJ McDonnell / Shutterstock Regular stock exchange observers will know all about prediction markets. Users buy and sell contracts that pay a fixed sum if a specified event occurs – a sports team wins a match, a candidate is elected. The price at which such a contract […]

Can an ancient virus be brought back to life? What 500-year-old smallpox DNA reveals

JHDT Productions/Shutterstock Smallpox is the only human infectious disease to have been eradicated worldwide. Researchers have now recovered fragments of ancient DNA belonging to variola virus, the virus that causes smallpox, from the naturally mummified remains of two Indigenous people buried in northern Chile. For centuries, smallpox caused devastating epidemics. Its severe form, variola major, […]

Europe’s e-waste is a valuable resource – let’s not throw it away

Robert Kneschke/Shutterstock Throwing something away that is urgently needed, expensive and difficult to source sounds crazy. Yet out of the 60 metals contained in old electronic devices like phones, screens or washing machines, only a few get recycled. That includes precious metals like gold or silver and some other metals like aluminium or copper. The […]

China is exploring humanoid robots for war – but what role could they play?

At the World Humanoid Robot Games in Beijing, a humanoid robot named Tiangong Ultra ran the 100-metre sprint in a staggering 8.64 seconds, shattering Jamaican sprinter Usain Bolt’s legendary human world record of 9.58 seconds. The internet laughed at the robots’ awkward, lurching finishes and spectacular falls – but the laughter masked a chilling reality. […]