About 9,600 types of trees in the world are at risk of extinction.
The "Ring of Fire" lasted for roughly a minute that was visible in Africa and South America on Sunday.
The origins of the South American natives may have come from different places.
It will take 300 years to discover all the thousands of tree species in the Amazon rainforest, according to scientists.
Doctors in the early stages of their career are at an increased risk of depression, according to a comprehensive international review.
A team of archaeologists have found four pre-Inca tombs in a residential area in Lima, in Peru. The remains are over 1000-years-old.
