Is there a special someone you just can't get out of your head? Do you find yourself daydreaming about them when you should be working or studying? Does it feel different this time?
Well, you might be in love — but how can you be sure? Interestingly, scientists have made a lot of progress in understanding what love is and have started to pin down what it means to "fall in love." They have even pinpointed what love looks like in the brain and shown that the related cell activity looks very different from that tied to friendship or lust.
