Get Bully for Brontosaurus: Reflections in Natural History PDF

By Stephen Jay Gould

"Provocative and delightfully discursive essays on average historical past. . . . Gould is the Stan Musial of essay writing. He can paintings himself right into a corkscrew of principles and inconceivable allusions paragraph after paragraph after which, uncoiling, hit it with such energy that his enthusiasts be aware of they're experiencing the sport of essay writing at its best."—John Noble Wilford, long island instances booklet Review

The many lovers who've come to anticipate a uniquely huge diversity of topic and chic, discerning prose from Stephen Jay Gould may be thrilled with this new assortment, which the writer considers via a ways his top. those essays list a sixty-year conflict opposed to creationism, the bicentennial of the French Revolution, the triumph of Voyager's fly-by of Neptune, and different wonders of the realm. Drawings.

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Though not a cure-all, honey still makes delicious eating. With more than 300 recognized types to try, time is surely better spent tasting honey than rubbing it on parts of the body! Esophagus Muscles running the length of the esophagus expand and contract to move nectar between mouth and stomach. Hypopharyngeal glands When a worker becomes a forager, its glands alter to produce a cocktail of enzymes that start the process of turning nectar into honey. Pollen baskets Pollen is not an ingredient of honey but is similarly stored in the hive for food.

Muster point Before a new nest site is chosen, the swarm will settle in a teardrop cluster with the queen at the center. Bee scouts As soon as the swarm has clustered at the temporary safe site, scout bees go in search of a suitable new nest location. ” Returning scouts use their waggle dance to recruit other scouts, who check out the site they have found. If the other scouts agree, they will return and use their own dances to recruit more scouts to the same site; if they don’t, they will choose another site.

Ase ele s r e e r v a on L a er om ph br o od ALARM PHEROMONES When an attack on the colony is perceived, guard bees release alarm pheromones to recruit more guard bees to the nest entrance and put all the workers on high alert. The action of stinging also causes alarm pheromones to be released, encouraging other workers to sting and guiding them to the target. Interestingly, this pheromone smells very similar to ripe bananas: an example of the same chemical having evolved different functions in different organisms (see box, right).

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