Startup Spark examined the effects that political candidates had on the human brain and nervous system using a device called BrainWave. Here's what it found.

SpotMini is a new smaller version of the Spot robot, weighing 55 lbs dripping wet (65 lbs if you include its arm.) SpotMini is all-electric (no hydraulics) and runs for about 90 minutes on a charge, depending on what it is doing. SpotMini is one of the quietest robots we have ever built. It has a variety of sensors, including depth cameras, a solid state gyro (IMU) and proprioception sensors in the limbs. These sensors help with navigation and mobile manipulation. SpotMini performs some tasks autonomously, but often uses a human for high-level guidance. For more information about SpotMini visit our website at
The practice of geophagy – eating earth – is surprisingly common, and while in some parts of the world it is regarded as an eating disorder, in others it is actively encouraged. But why would people want to eat something that’s literally dirty?
The BBC's Mohamed Madi spoke to Professor Anthony King, a sociologist and expert in hooliganism, and asked him why English football and violence still seem to go hand in hand.