“Sentinel Species of the Anthropocene” –Are We Among Them? (Weekend Feature)


Blue Whale


Humans are the only species on our planet that has contemplated the most minute reaches of the fabric of space, the origins of the cosmos, the nature of time, the phenomenon of black holes, and the workings of our own thought processes. Here, on the edge of what we know, says physicist Carlo Rovelli, “in contact with the ocean of the unknown, shines the mystery and the beauty of our species and the world. And it’s breathtaking.”


“The Known Unknowns” –All Species that Exist Today – Including Human Beings – Will Go Extinct


“Paleontologists know there are key moments in Earth’s history when extinction rates are high. For example, researchers have identified the Big Five mass extinctions: the five times over the past half billion years or so when more than three-quarters of the planet’s species have gone extinct in short order. Unfortunately, we are also now getting a good firsthand view of what extinction looks like, with the rapid increase in extinction rates over the last century.”



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