Download A Planet of Viruses: Second Edition by Carl Zimmer PDF

By Carl Zimmer

The prior yr has been one in all viral panic—panic about viruses, that's. via headlines, public healthiness warnings, and no less than one home made hazmat go well with, we have been reminded of the robust strength of viruses. they're the smallest dwelling issues recognized to technological know-how, but they could carry the full planet of their sway.
A Planet of Viruses is Carl Zimmer’s eye-opening examine the hidden global of viruses. Zimmer, the preferred technological know-how author and writer of National Geographic’s award-winning web publication The Loom, has up-to-date this version to incorporate the tales of recent outbreaks, corresponding to Ebola, MERS, and chikungunya virus; new clinical discoveries, reminiscent of a hundred-million-year-old virus that contaminated the typical ancestor of armadillos, elephants, and people; and new findings that express why weather switch could lead to even deadlier outbreaks. Zimmer’s lucid causes and engaging tales display how deeply people and viruses are intertwined. Viruses helped provide upward push to the 1st life-forms, are answerable for a lot of our such a lot devastating illnesses, and should proceed to manage our destiny for hundreds of years. completely readable, and as reassuring because it is horrifying, A Planet of Viruses is a desirable travel of a powerful hidden world.

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A Planet of Viruses: Second Edition

The earlier yr has been one among viral panic—panic approximately viruses, that's. via headlines, public well-being warnings, and a minimum of one home made hazmat go well with, we have been reminded of the robust strength of viruses. they're the smallest dwelling issues identified to technological know-how, but they could carry the total planet of their sway.

Additional info for A Planet of Viruses: Second Edition

Sample text

Like cold-Â�causing rhinoviruses, influenza viruses manage to wreak their harm with very little genetic information—Â�just thirteen genes. They spread in the droplets sick people release with their coughs, sneezes, and runny noses. A new victim may accidentally breathe in a virus-Â�laden droplet or pick it up on a doorknob and then bring now-Â�contaminated fingers in contact with the mouth. Once a flu virus gets into the nose or throat, it can latch onto a cell lining the airway and slip inside.

In a matter of hours, glassy spots formed in the new dishes, full of more dead bacteria. But if he added drops to a different species of bacteria, no spots formed. Twort could think of three explanations for what he was seeing. It might be some bizarre feature of the life cycle of the bacteria. Or perhaps the bacteria were making some enzyme that was killing them. The third possibility was the hardest to believe: maybe Twort had discovered a virus that kills bacteria. Twort published his findings, listed the three possibilities, and left matters there.

It might be some bizarre feature of the life cycle of the bacteria. Or perhaps the bacteria were making some enzyme that was killing them. The third possibility was the hardest to believe: maybe Twort had discovered a virus that kills bacteria. Twort published his findings, listed the three possibilities, and left matters there. The radical idea of bacteria-Â�infecting viruses apparently didn’t infect his mind. But two years later, a Canadian-Â� born doctor named Felix d’Herelle independently made the same discovery, and he was not so resistant.

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