Download E-books Why We Run: A Natural History PDF

By Bernd Heinrich

In Why We Run, biologist, award-winning nature author, and ultramarathoner Bernd Heinrich explores a brand new viewpoint on human evolution via analyzing the phenomenon of ultraendurance and makes brilliant discoveries concerning the actual, religious -- and primal -- force to win. immediately lyrical and medical, Why We Run exhibits Heinrich's signature combination of biology, anthropology, psychology, and philosophy, infused together with his ardour to find how and why we will be able to in achieving superhuman abilities.

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Download E-books Power, Sex, Suicide: Mitochondria and the Meaning of Life PDF

By Nick Lane

If it were not for mitochondria, scientists argue, we would all nonetheless be single-celled micro organism. certainly, those tiny constructions inside of our cells are very important past imagining. with no mitochondria, we'd don't have any mobilephone suicide, no sculpting of embryonic form, no sexes, no menopause, no aging.

In this attention-grabbing and thought-provoking ebook, Nick Lane brings jointly the most recent examine during this interesting box to teach how our turning out to be perception into mitochondria has make clear how advanced existence developed, why intercourse arose (why do not we simply bud?), and why we age and die. those findings are of basic value, either in figuring out lifestyles on the earth, but in addition in controlling our personal health problems, and delaying our degeneration and demise. Readers study that billion years in the past, mitochondria have been most likely micro organism residing autonomous lives and that their trap inside higher cells used to be a turning element within the evolution of lifestyles, allowing the advance of complicated organisms. Lane describes how mitochondria have their very own DNA and that its genes mutate a lot swifter than these within the nucleus. This excessive mutation expense lies at the back of our getting older and sure congenital illnesses. the most recent examine means that mitochondria play a key function in degenerative illnesses similar to melanoma. We additionally detect that mitochondrial DNA is handed down virtually solely through the feminine line. that is why it's been utilized by a few researchers to track human ancestry daughter-to-mother, to "Mitochondrial Eve," giving us very important information regarding our evolutionary history.

Written by means of Nick Lane, a emerging megastar in renowned technological know-how, Power, intercourse, Suicide is the 1st booklet for common readers at the nature and serve as of those tiny, but attention-grabbing structures.

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Download E-books Polar Bears: A Complete Guide to Their Biology and Behavior PDF

By Andrew E. Derocher

The polar undergo, king of the Arctic, is among the world’s such a lot recognizable animals. photographs of the majestic beasts roaming around the ice cap, plunging into frigid waters, and fiddling with hairy cubs have come to represent the sweetness and grandeur of the Arctic. Andrew E. Derocher and Wayne Lynch have spent many years following the bears, and this booklet deals the main entire and readable evaluation in their biology, ecology, habit, and conservation.

With gripping photos through Lynch, a preeminent flora and fauna photographer, and the non-public tales of Derocher, this e-book is as wonderful to examine because it is attention-grabbing to learn. It weaves jointly their outstanding studies with the most recent examine to inform the superb tale of those Arctic predators, tracing the animals again to their evolutionary roots and searching forward to the way forward for polar bears on a warming planet Earth.

Through informative and fascinating language, Derocher rigorously explains the ocean ice environment that's necessary to the survival of polar bears. He addresses the specter of international warming to the Arctic―home to polar bears for tens of millions of years―and describes in awesome element their feeding conduct, distribution, den ecology, and copy. Lynch’s brilliant images catch all this and extra as they chronicle the wide variety of polar undergo habit, from kin rituals to ferocious predatory practices.

Captivating, actual, and encouraging, Polar Bears belongs within the palms of all who love the wild.

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Download E-books WJEC A2 Biology Student Unit Guide: Unit BY5: Environment, Genetics and Evolution PDF

By Dan Foulder

Ideal for revision, those courses clarify the unit necessities, summarise the content material and contain specimen questions with graded answers.

Each full-colour re-creation scholar Unit advisor offers perfect coaching on your unit exam:

Feel convinced you already know the unit: every one advisor comprehensively covers the unit content material and comprises subject summaries, wisdom fee questions and a reference index
Get to grips with the examination requisites: the explicit abilities on which you'll be established are explored and explained
Analyse exam-style questions: graded scholar responses may also help you specialize in parts the place you could enhance your examination approach and function

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Download E-books The Making of the Fittest: DNA and the Ultimate Forensic Record of Evolution PDF

By Sean B. Carroll

DNA proof not just solves crimes―in Sean Carroll's palms it is going to now finish the Evolution Wars.

DNA, the genetic blueprint of all creatures, is a stunningly wealthy and particular checklist of evolution. each switch or new trait, from the gaudy shades of tropical birds to our colour imaginative and prescient with which we appreciate them, is because of adjustments in DNA that go away a checklist and will be traced. simply as importantly, the DNA facts has published a number of profound surprises approximately how evolution truly works. 50 black-and-white illustrations and eight pages of colour

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Download E-books Sex and War: How Biology Explains Warfare and Terrorism and Offers a Path to a Safer World PDF

By Malcolm Potts, Thomas Hayden

As information of struggle and terror dominates the headlines, scientist Malcolm Potts and veteran journalist Thomas Hayden take a step again to give an explanation for all of it. within the spirit of Guns, Germs and Steel, Sex and War asks the fundamental questions: Why is conflict so primary to our species? And what do we do approximately it?

Malcolm Potts explores those questions from the frontlines, as a witness to war-torn nations worldwide. As a scientist and obstetrician, Potts has labored with governments and relief agencies globally, and within the trenches with girls who've been raped and brutalized during struggle. Combining their very own event with clinical findings in primatology, genetics, and anthropology, Potts and Hayden clarify war’s pivotal place within the human event and the way males specifically advanced lower than stipulations that favourite gang habit, rape, and arranged aggression. Drawing on those new insights, they suggest a rational plan for making conflict much less widespread and no more brutal within the future.

Anyone drawn to knowing human nature, struggle, and terrorism at their such a lot primary degrees will locate Sex and War to be an illuminating paintings, and one who may well switch the best way they see the world.

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Download E-books The Walking Whales: From Land to Water in Eight Million Years PDF

Hans Thewissen, a number one researcher within the box of whale paleontology and anatomy, supplies a sweeping first-person account of the discoveries that dropped at mild the early fossil list of whales. As evidenced within the checklist, whales advanced from herbivorous forest-dwelling ancestors that resembled tiny deer to carnivorous monsters stalking lakes and rivers and to serpentlike denizens of the coast.

Thewissen studies on his discoveries within the wilds of India and Pakistan, weaving a story that finds the day by day adventures of fossil assortment, enriching it with neighborhood flavors from South Asian tradition and society. The reader senses the buzz of the digs in addition to the trials confronted through medical researchers, for whom every one new perception supplies upward push to much more questions, and for whom from time to time the logistics of simply staying alive may perhaps trump all science.

In his look for an knowing of ways glossy whales dwell their lives, Thewissen additionally trips to Japan and Alaska to review whales and wild dolphins. He reveals solutions to his questions on fossils via learning the anatomy of otters and porpoises and interpreting whale embryos below the microscope. within the book's ultimate bankruptcy, Thewissen argues for imminent whale evolution with the main strong instruments we now have and for combining all of the fields of technology in pursuit of knowledge.

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Download E-books CliffsAP Biology, 3rd Edition (CliffsNotes AP) PDF

By Phillip E Pack

Your whole consultant to a better rating at the AP Biology exam.

Included in ebook: A evaluation of the AP examination layout and scoring, confirmed suggestions for answering multiple-choice questions, and tricks for tackling the essay questions.

A checklist of 14 particular must-know rules are covered.

Includes pattern questions and solutions for every subject.

Laboratory evaluation contains a centred evaluate of all 12 AP laboratory exercises.

AP Biology perform exams positive aspects 2 full-length perform assessments that simulate the particular attempt besides solutions and whole explanations.

AP is a registered trademark of the school Board, which was once no longer fascinated with the construction of, and doesn't recommend, this product.

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Download E-books Life Everlasting: The Animal Way of Death PDF

By Bernd Heinrich

“Bernd Heinrich is likely one of the best naturalists of our time. Life Everlasting shines with the authenticity and originality which are precise to a existence dedicated to normal heritage within the field.”—Edward O. Wilson, writer of The way forward for Life and The Social Conquest of Earth

How does the animal global care for demise? And what ecological and non secular classes do we examine from reading this? Bernd Heinrich has lengthy been serious about those questions, and while an outstanding good friend with a terminal disease requested if he may have his “green burial” at Heinrich’s looking camp in Maine, it encouraged the acclaimed biologist and writer to enquire. Life eternal is the fruit of these investigations, illuminating what occurs to animals nice and small after loss of life.

From beetles to bald eagles, ravens to wolves, Heinrich unearths the interesting and generally hidden post-death international that happens round us always, whereas studying the traditional and demanding function we too play as scavengers, connecting demise to existence.

"Despite targeting loss of life and rot, existence eternal is way from morbid; as a substitute, it truly is life-affirming . . . convincing the reader that actual dying isn't really an finish to lifestyles, yet a chance for renewal."—Nature

“A world wide journey of the position of dying in nature that's continuously attention-grabbing and enjoyable to read.”—Seattle Times

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Download E-books The Encyclopedia of Psychoactive Plants: Ethnopharmacology and Its Applications PDF

By Christian Rätsch

The main accomplished advisor to the botany, historical past, distribution, and cultivation of all identified psychoactive plants

• Examines 414 psychoactive crops and comparable substances

• Explores how utilizing psychoactive vegetation in a culturally sanctioned context can produce vital insights into the character of reality

• Contains 797 colour pictures and 645 black-and-white illustrations

In the traditions of each tradition, crops were hugely valued for his or her nourishing, therapeutic, and transformative homes. the main robust plants--those recognized to move the human brain into different dimensions of consciousness--have typically been considered as sacred. In The Encyclopedia of Psychoactive Plants Christian R䴳ch info the botany, background, distribution, cultivation, and practise and dosage of greater than four hundred psychoactive crops. He discusses their ritual and medicinal utilization, cultural artifacts made up of those crops, and artistic endeavors that both characterize or were encouraged by way of them. the writer starts off with 168 of the main famous psychoactives--such as hashish, datura, and papaver--then provides 133 lesser identified elements in addition to extra vegetation referred to as “legal highs,” crops identified simply from mythological contexts and literature, and plant items that come with components corresponding to ayahuasca, incense, and soma. The textual content is lavishly illustrated with 797 colour photographs--many of that are from the author’s large fieldwork round the world--showing the folk, ceremonies, and paintings concerning the ritual use of the world’s sacred psychoactives.

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