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People deaf from birth may be able to reassign the area of their brain used for hearing to boost their sight, suggests a study.

2010-10-10

 sight deaf brain
Bats and dolphins bounce sound waves off their surroundings and by listening to the echoes can "see" the world around them. Some blind humans have also trained themselves to do this, allowing them to explore cities, cycle and play sports...

2011-05-26

 navigation blind bat echolocation brain sight hearing human neuroscience vision
Arctic reindeer can see beyond the "visible" light spectrum into the ultra-violet region...

2011-05-26

 Arctic reindeer ultraviolet animal vision sight eye evolution bumblebee colour
What insects see when they approach a flower is very different from what is visible to the human eye. Professor Iain Stewart uses an ultra-violet camera to reveal the markings some flowers have developed to attract pollinating insects.

2012-02-14

 insect flower vision camera ultraviolet eye sight navigation
A retinal implant - or bionic eye - which is powered by light has been invented by scientists at Stanford University in California.

2012-05-14

 eye bionic sight light camera blindness