BBC News | SCI/TECH | Why elephants don't forget
A study of African elephants reveals that dominant females build up a social memory as they get older, helping the herd to survive.
A study of African elephants reveals that dominant females build up a social memory as they get older, helping the herd to survive.
Long-term relationships are fundamentally dishonest. And it's all womens' fault, new research suggests.
The ancient Mayans may have had good reason for their fascination with the heavens.
The oldest known hominid fossils yet found in southern Africa are uncovered at the world-famous Sterkfontein Caves.
Millions of electronic messages from over the past 20 years have been saved from digital oblivion.
The world's largest offshore wind farm - big enough to supply 10% of Ireland's energy - is to be built on a sandbank in the Irish Sea.
Officials at Iceland's main airport say the face-recognition technology will help them improve security.
A video game inspired by the artist Kandinsky aims to stimulate the senses with its stunning visuals and pulsating beats.
Unsolicited e-mail is becoming a problem for users and internet service providers.
One of the world's rarest birds, Gurney's pitta, has been sighted again in Burma almost 90 years after it was last seen.