Elephant seals dive asleep – and urchin death riddle solved
Elephant seals drift off to sleep and go into an unconscious spiral during deep dives, a new study by US scientists has discovered.
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Elephant seals drift off to sleep and go into an unconscious spiral during deep dives, a new study by US scientists has discovered.
Professor Ana Cristina Costa of the University of Bradford. Picture: Mark Dobly A BRADFORD psychologist has been working with NASA on its long-held ambition to fly humans to Mars. Professor Ana Cristina Costa, a behavioural psychologist at the University of Bradford, worked for the US space agency at Johnson Space Center in Houston, Texas. She developed a study for NASA’s Mars mission, looking at the effects of prolonged isolation and confinement - essentially how astronauts might react spending a long period away from Earth and an agonising 20-minute each-way delay in communications wh...