Apes can remember friends they haven't seen for over 25 years, a new study shows. That's longer than a dolphin's memory.

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Two chimps interacting while on some tree branches.
Apes, which bonobos and chimpanzees, are highly social.

Kate Grounds/Edinburgh Zoo

Here's what happens when you break up with a narcissist

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Narcissist woman taking selfie
Narcissists can be charming and charismatic, making them difficult to leave.

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The psychological reasons why you fall in love with your colleagues

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Workplace office romance
About 60% of adults have had a romance in the workplace.

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17 red flags to look out for on a first date that could indicate someone is wrong for you — or even toxic

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Couple on a date
A couple on a date.

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