dolphin confidential confessions of a field biologist

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Dolphin Confidential

Author : Maddalena Bearzi
ISBN : 9780226040189
Genre : Science
File Size : 52. 85 MB
Format : PDF, ePub
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Who hasn’t fantasized about the unique thrill of working among charismatic and clever dolphins in the wild? Now we no longer have to rely solely on our imaginations . With Dolphin Confidential, Maddalena Bearzi invites all of us shore-bound dreamers to join her and travel alongside the dolphins. In this fascinating account, she takes us inside the world of a marine scientist and offers a firsthand understanding of marine mammal behavior, as well as the frustrations, delights, and creativity that make up dolphin research. In this intimate narrative, Bearzi recounts her experiences at sea, tracing her own evolution as a woman and a scientist from her earliest travails to her transformation into an advocate for conservation and dolphin protection. These compelling, in-depth descriptions of her fieldwork also present a captivating look into dolphin social behavior and intelligence. The central part of the book is devoted to the metropolitan bottlenose dolphins of California, as Bearzi draws on her extensive experience to offer insights into the daily lives of these creatures—as well as the difficulties involved in collecting the data that transforms hunches into hypotheses and eventually scientific facts. The book closes by addressing the critical environmental and conservation problems facing these magnificent, socially complex, highly intelligent, and emotional beings. An honest, down-to-earth analysis of what it means to be a marine biologist in the field today, Dolphin Confidential offers an entertaining, refreshingly candid, and always informative description of life among the dolphins.

Dolphin

Author : Alan Rauch
ISBN : 9781780231259
Genre : Nature
File Size : 75. 63 MB
Format : PDF
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From Flipper to SeaWorld, dolphins have long captured our hearts. We love these friendly, intelligent mammals, and they seem to return our feelings—they enjoy interacting with swimmers and have been known to encircle people under attack by sharks. Despite our familiarity with dolphins, though, we remain ill-informed about how they evolved, how they function, and how they have interacted with humans for millennia. Dolphin dives into the dolphin’s zoology, as well as its social and cultural history, to offer a comprehensive view of these delightful creatures. Drawing on his years of experience working with and studying dolphins, Alan Rauch explores their propensity to live in pods and their ability to communicate through a variety of clicks, whistles, and other vocalizations. He examines their long relationship with humans, describing how they became the emblem of safe travel and charity, that the ancient Greeks featured them on coins, and that Hindu mythology associated them with Ganga, a river deity. As the rise in popularity of dolphinaria during the 1960s allowed the public access to dolphins, they became central characters in films like The Day of the Dolphin and Johnny Mnemonic and outsmarted humans in The Hitchhiker’s Guide to the Galaxy. Packed with images and thoughtful insights, Dolphin is a revealing look at one of our favorite sea creatures.

Al Di L Delle Parole

Author : Carl Safina
ISBN : 9788845979897
Genre : Science
File Size : 44. 35 MB
Format : PDF
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Negli ultimi decenni le scienze biologiche hanno ricostruito i tratti evolutivi che ci legano agli altri animali (dai pesci ai primati) sul piano morfologico e genetico. Un risultato già stupefacente, se non fosse che ora – grazie a studiosi della finezza e percettività di Carl Safina – ci avviamo a un salto ulteriore: verificare l'incidenza di quei tratti a livello cognitivo e affettivo-emotivo. Da rigoroso ricercatore sul campo, Safina ci immette in tre paesaggi esemplari: una riserva africana, dove elefanti dalle variegate «personalità» si aggregano in una spiccata socialità (non a caso i Masai li considerano dotati di un'«anima» al pari degli umani); il parco di Yellowstone, dove i lupi – reintrodotti di recente – si muovono echeggiando cadenze pleistoceniche, fra strategie di predazione e sorprendenti gerarchie sociali (le femmine, per esempio, sono deputate ai dilemmi decisionali come restare/partire); e le acque cristalline del Pacifico nordoccidentale, dove cetacei di diverse specie dispiegano la vertigine della loro visione «acustica» e interagiscono col Sapiens in modi inaspettati e toccanti. Penetriamo così in un ventaglio di intelligenze, «coscienze» e «visioni del mondo» di altri animali – con cui condividiamo molti «correlati neurali», a partire dal cervello «antico» e dalla sua tastiera emotiva – insieme familiari e aliene, contigue e alternative. Al punto da mettere in dubbio, ancora una volta, la tesi secondo la quale l'uomo sarebbe la misura di tutte le cose.

Author : Brandon Sanderson
ISBN : 9786180305791
Genre : Fiction
File Size : 59. 60 MB
Format : PDF, ePub, Mobi
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Πριν από δέκα χρόνια ο Όλεθρος ήρθε στον κόσμο. Εμφανίστηκε σαν μια εκτυφλωτική λάμψη στον ουρανό και χάρισε υπεράνθρωπες δυνάμεις σε μια πλειάδα καθημερινών ανθρώπων. Πλημμυρισμένος από φόβο και δέος, ο υπόλοιπος κόσμος άρχισε να αποκαλεί τους ανθρώπους αυτούς Επικούς. Οι Επικοί, όμως, δεν είναι φιλικά διακείμενοι προς την ανθρωπότητα. Μαζί με τις απίστευτες ικανότητές τους απέκτησαν και το πάθος της εξουσίας και η απόλυτη εξουσία προϋποθέτει τη συντριβή του ελεύθερου ανθρώπινου πνεύματος. Στις μέρες μας, στο σημείο όπου κάποτε βρισκόταν η πόλη του Σικάγο, ο πανίσχυρος Επικός που είναι γνωστός ως Ατσαλόκαρδος κυβερνά ως τύραννος, προικισμένος με απίστευτη φυσική δύναμη και την ικανότητα να ελέγχει τα στοιχεία της φύσης. Οι φήμες λένε πως οι σφαίρες δεν μπορούν να τον βλάψουν, πως καμιά λεπίδα δεν μπορεί να τον πληγώσει, πως η φωτιά δεν τον αγγίζει... Είναι άτρωτος, ανίκητος. Κανείς δεν τολμά να του αντισταθεί. Κανείς… εκτός από τους Τιμωρούς. Οι Τιμωροί είναι μια μυστηριώδης ομάδα απλών ανθρώπων που έχουν αφιερώσει τη ζωή τους στη μελέτη των Επικών. Σκοπός τους είναι να ανακαλύψουν τα αδύνατα σημεία τους και να καταφέρουν κάποτε να τους αφανίσουν. Ο νεαρός Ντέιβιντ θέλει όσο τίποτα στον κόσμο να γίνει μέλος των Τιμωρών. Λίγο μετά την άφιξή του στο Σικάγο, ο Ατσαλόκαρδος δολοφόνησε τον πατέρα του Ντέιβιντ. Όπως ακριβώς και οι Τιμωροί, ο Ντέιβιντ μελετά εδώ και χρόνια τους Επικούς, καταστρώνοντας σχέδια για την εξάλειψή τους. Το μεγάλο του όπλο στην προσπάθεια αυτή, όμως, δεν είναι κάποιο αντικείμενο αλλά μια ανάμνηση, που οι Τιμωροί έχουν ανάγκη για να εκπληρώσουν την αποστολή τους. Έχει δει τον Ατσαλόκαρδο να ματώνει. Κι η καρδιά του διψά για εκδίκηση.

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