Where should you sit in a roller coaster to get the wildest ride? What is the density of candyfloss? These were some of the challenges at the International Physics Olympiad 2013, which saw contestants testing their skills in Copenhagen’s Tivoli Gardens.
Scientists have discovered a previously unknown ability in some enzymes, which can cause cancer to spread if they are unbalanced. The discovery of this function may be crucial to more effective treatment, says researcher.