The Mysterious Composition of Tears

After a series of climate calamities, physicist Fleur Robins takes off for deep space in a desperate attempt to save the species from extinction. During her mysteriously prolonged absence, the internet has crashed, fire and flood have devastated whole countries, and End of Times cults have proliferated. There have been some intriguingly hopeful changes, too-nanoparticle holograms have replaced electronic devices, young people are witnessing exquisitely colorful "Shimmers," and the most gift...