Why does a comforting touch stay with us for years, while other sensations quickly fade from our minds? A new paper offers a ...

Love, pain, joy, fear, desire: the full spectrum of emotion resides in facial expression. We grasp this almost intuitively.

When you touch a hot stove, your hand pulls away via a spinal reflex before you feel the burn—and the brain may use a similar ...

Rachel is a freelancer based in Echo Park, Los Angeles and has been writing and producing content for nearly two decades on subjects ranging from tech to fashion, health and lifestyle to entertainment ...