Chimps can read each others’ minds to an extent. If, for instance, one of them spots a dangerous snake hiding in the leaves on the forest floor, he seems to know whether or not he needs to alert the others–whether or not they have noticed it too. Videos of wild chimps in Uganda reveal that, when they spot the fake snake that scientists have hidden there, they are more likely to make warning calls when if others in their troop have not seen the danger.
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Current advances in electroencephalographic (EEG) brain-wave detection technology make it possible for someone wearing a helmet with special sensors that broadcast your brain’s waves to be able to tell what state of alertness you’re in. Someday they may be able to do this without the need for a helmet. What comes next–reading our thoughts?
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"Contactees" commonly report that aliens "talked to them inside their heads," meaning they communicated with them telepathically. Often these people communicate with them right back, the same way, and a whole conversation takes place inside two heads. Soon, human-to-human speech may be the same way.
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