Alzheimer's disease is the most common form of dementia and affects millions of people around the globe. Until now early diagnosis has been nearly impossible, but a new procedure aims to change that.
Not all damage to a load-bearing structure is immediately apparent. So how do civil engineers find out that a bridge or a large hall is no longer safe? Many clues form a picture.
In the Egyptian Museum since the 1900s, the mummy affectionately known as Fred has provided scientists with the recipe used for ancient embalming. It also shows bodies were embalmed 1,500 years earlier than thought.
Elephants die of cancer much less often than humans of the same age. The reason for this is that they have revived a special, usually sleeping, pseudogene that kills off damaged cells.
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