Giraffes were classified as threatened with extinction by a dramatic decline in the last 30 years.
The population increased from around 155,000 in 1985 to 97,000 in 2015, according to the International Union for the Conservation of Nature (IUCN).
The iconic animal has been declined due to loss of habitat, poaching and unrest in many parts of Africa.
[Not fully retrieve - text content]
Former astronaut John Glenn, the first American to orbit the earth, died 95 years Pallab Ghosh day look back in history.
It was expected that a large clinical trial in Malawi shows that children are healthier when they live in a house, cooked the food in a wood smoke rather than an open fire. But the study, whose results were published in the Lancet, found no difference in rates of pneumonia in children.
The disease is a leading cause of death in young children in developing countries, signals can be triggered, which hinder and irritate the developing lungs of children by continuous exposure to smoke particles.
BBC News science reporter Victoria Gill has followed this trial since it began. Here is Principal Investigator Dr. Kevin Mortimer explains the importance of the results and his own disappointment that "intervention by the chef" had no effect on the health and survival of young children in the poorest regions of the poorest countries of the world.
Video Victoria Gill
[Not fully retrieve - text content]
People in Western Siberia have captured images of what is believed to be a small meteorite.[Not fully retrieve - text content]
Hunter Mitchell has raised thousands of dollars to save the rhinos Osita.[Not fully retrieve - text content]
A huge crocodile turtle was put blocks in a drainpipe in Houston, Texas.[Not fully retrieve - text content]
Scientists say they have discovered 30 new species in underground caves, after a two-year search.