What lies at the heart of a black hole?
Ben Jones
A black hole is an area that has so much mass concentrated in it that there’s no way for a nearby object to escape its gravitational pull. There’s no way of knowing for certain what lies at the heart of a black hole. Einstein’s theory of general relativity, however, suggests that at the centre lies a gravitational singularity. Here, matter is crushed to infinite density under the pull of infinite gravity. At a singularity, space and time cease to exist.
WHAT IS THE UK’S MOST POISONOUS WILD MUSHROOM?
Irene Sadler
Many people think brightly coloured fungi are more poisonous, but the deadliest in the UK is the death cap, . It grows in grassland under oak, horse chestnut and beech trees. With its pale-brown cap and white stem, it resembles a few other mushrooms that are good to eat, which is why you really need to know your fungi when foraging. Eating just half a cap could poison you enough to kill you. It would start with vomiting and diarrhoea, followed by delirium, liver failure and a coma after several days, and death a week or two later. Immediate hospital treatment usually
