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In Traversal, her startling and moving new book, Maria Popova traverses the border between life and death, chance and choice, chemistry and consciousness: What makes a body a person? What makes a planet a world? How do we safeguard our love of truth from our lust for power? What slakes our longings and what redeems our losses?

“How many creatures walking on this earth / Have their first being in another form?” the Roman poet Ovid asked two thousand years ago. He could not have known the full extent of the truth: today, biologists estimate a stunning three-quarters of all animal species on Earth undergo some form of metamorphosis. But why do tadpoles transform into frogs, caterpillars into butterflies, elvers into eels, immortal jellyfish from sea sprigs to medusae and back again, growing younger and younger in frigid ocean depths?

Since their advent, antibiotics have saved millions of lives, marking one of the greatest medical advances in our history. Dangerous Miracle weaves together the grand arc of the evolution of antibiotics over millions of years with a history of the past century: first as we mined the earth for naturally occurring antibiotic molecules, then as we learned to synthesise our own.

Voici une histoire radicalement nouvelle de l'énergie qui montre l’étrangeté fondamentale de la notion de transition. Elle explique comment matières et énergies sont reliées entre elles, croissent ensemble, s’accumulent et s’empilent les unes sur les autres. Pourquoi la notion de transition énergétique s’est-elle alors imposée ? Comment ce futur sans passé est-il devenu, à partir des années 1970, celui des gouvernements, des entreprises et des experts, bref, le futur des gens raisonnables ?