Nothing is more memorable than a smell. One scent can be unexpected, momentary and fleeting, yet conjure up a childhood summer beside a lake in the mountains.
I've always loved scuba diving and the cell-tickling feel of being underwater, though it poses unique frustrations. Alone, but with others, you may share the same sights and feelings, but you can't communicate well.
Touch seems to be as essential as sunlight.
Love is the best school, but the tuition is high and the homework can be painful.
I'm certainly not opposed to digital technology, whose graces I daily enjoy and rely on in so many ways. But I worry about our virtual blinders.
Hurricane season brings a humbling reminder that, despite our technologies, most of nature remains unpredictable.
Living with anyone for many years takes skill. To keep peace in the household, couples learn to adapt to one another, hopefully in positive ways.
Artificial intelligence is growing up fast, as are robots whose facial expressions can elicit empathy and make your mirror neurons quiver.
The simple, stupefying truth that, as a woman, I am a minute ocean, in the dark tropic of whose womb eggs lay coded as roe, floating in the sea that wet-nursed us all, moved me deeply.
All relationships change the brain - but most important are the intimate bonds that foster or fail us, altering the delicate circuits that shape memories, emotions and that ultimate souvenir, the self.
We're losing biodiversity globally at an alarming rate, and we need a cornucopia of different plants and animals, for the planet's health and our own.
As a species, we've somehow survived large and small ice ages, genetic bottlenecks, plagues, world wars and all manner of natural disasters, but I sometimes wonder if we'll survive our own ingenuity.
We ogle plants and animals up close on television, the Internet and in the movies. We may not worship the animals we see, but we still regard them as necessary physical and spiritual companions. Technological nature can't completely satisfy that yearning.
A poem records emotions and moods that lie beyond normal language, that can only be patched together and hinted at metaphorically.
Brain scans show synchrony between the brains of mother and child; but what they can't show is the internal bond that belongs to neither alone, a fusion in which the self feels so permeable it doesn't matter whose body is whose.
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