
Why do astronauts leave things behind on the Moon? There are many reasons. Often, it is to make room for Moon rocks to be taken back to Earth. As Neil Armstrong and Buzz Aldrin began their return journey to Earth, they disposed of anything they didn’t need. This included the tube that the US flag had been rolled up in, the TV camera they’d used to send footage back to Earth, and the tools they’d used to gather moon rock and dust. In doing this, they created a ‘toss zone’, which lies to the west of the Apollo 11 landing site. In the Apollo missions that followed, many things were left on the Moon, adding up to an estimated 400,000 pounds of stuff. There are a total of 96 bags of human waste on the Moon. Scientists are keen to one day bring this back to Earth, to study how its time on the Moon has affected it, but for now it sits in bags. (via RMG)
Scientists were baffled because she only had half a brain but had perfect vision

Scientists discovered how a 10-year-old girl born with half a brain is able to see normally through one eye. The youngster, from Germany, has both fields of vision in one eye and is the only known case of its kind in the world. Researchers used an MRI to reveal how the girl’s brain had rewired itself in order to process information from the right and left visual fields in spite of her not having a whole brain. The right hemisphere in the girl’s brain failed to develop in the womb. Normally, the left and right fields of vision are processed and mapped by opposite sides of the brain, but scans showed that retinal nerve fibres that should go to the right hemisphere of the brain diverted to the left. Further, the researchers found that within the visual cortex of the left hemisphere, which creates an internal map of the right field of vision, ‘islands’ had been formed within it to specifically deal with, and map out, the left visual field. (via U of Glasgow)
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