Studying fireflies helped scientists increase light extraction in LEDs by more than 50%
Astronomers have taken the first ever image of a black hole, located in a distant galaxy. It measures 40 billion km across - three million times the size of the Earth - and has been described by scientists as 'a monster'. Good Morning Wales asked Elizabeth Pearson from Sky at Night magazine exactly what Black Holes are - and where they are - and what we might learn from this new image.
There is debate around how much Albert Einstein's first wife, Mileva, contributed to his discoveries.