Johan Swanepoel / Alamy
It is a rule of physics that information can’t disappear. So what happens to the information in my brain when I die?
Max Davies, Irvine, California, US
Arina Komarova/Alamy
If you eat three meals a day, does it make a difference if they are taken within, say, an 8-hour window or a 14-hour one?
Manyando Milupi, Doncaster, UK
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