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Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated Edition

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Extinction: How Life on Earth Nearly Ended 250 Million Years Ago - Updated EditionSome 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out a global catastrophe far greater than the dinosaurs' demise 185 million years later. How this happened remains a mystery. But there are many competing theories. Some blame huge volcanic eruptions that covered an area as large as the continental United States; others argue for sudden changes in ocean levels and

Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out--a global catastrophe far greater than the dinosaurs' demise 185 million years later. How this happened remains a mystery. But there are many competing theories. Some blame huge volcanic eruptions that covered an area as large as the continental United States; others argue for sudden changes in ocean levels and chemistry, including burps of methane gas; and still others cite the impact of an extraterrestrial object, similar to what caused the dinosaurs' extinction.

Extinction is a paleontological mystery story. Here, the world's foremost authority on the subject provides a fascinating overview of the evidence for and against a whole host of hypotheses concerning this cataclysmic event that unfolded at the end of the Permian.

After setting the scene, Erwin introduces the suite of possible perpetrators and the types of evidence paleontologists seek. He then unveils the actual evidence--moving from China, where much of the best evidence is found; to a look at extinction in the oceans; to the extraordinary fossil animals of the Karoo Desert of South Africa. Erwin reviews the evidence for each of the hypotheses before presenting his own view of what happened.

Although full recovery took tens of millions of years, this most massive of mass extinctions was a powerful creative force, setting the stage for the development of the world as we know it today.

In a new preface, Douglas Erwin assesses developments in the field since the book's initial publication.-- "Choice"

Binding Type: Paperback
Publisher: Princeton University Press
Published: 03/22/2015
ISBN: 9780691165653
Pages: 320
Weight: 0.60lbs
Size: 8.50h x 5.40w x 0.80d
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SKU: 25176326825

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Alicia
Chelsea, US
★★★★★ 5
Bulky
I was a little disappointed in how bulky these were and seemed hard to get on. If you can get past this they do seem to work good. Hands do seem softer and a bit healthier.
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Reviewed in the United States on November 8, 2024
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Deb
Massapequa, US
★★★★★ 5
Really moisturizes hands
These gloves really work. My cuticles and hands alway seem dry. I used these gloves the first night I received them and my hands were really smooth afterward. When I get in bed at night, I play on my computer and iPad, and these gloves are perfect. The end of the index finger is designed to be used with a phone, computer, and iPad. Make sure you push the end of the fingers on the gloves all the way down to the end of your fingertips; otherwise you will not be able to use them with a device. I find they work better with my iPad than my computer. I have not tried to use with my phone. The gloves are not uncomfortable, but I found they are not comfortable to wear all night, so I just try to wear them about an hour every night. I wish I had these gloves about 20 years ago and my hands would probably look like a 20 year old.
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Reviewed in the United States on May 25, 2024
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phoenix329
Belleville, US
★★★★★ 1
So much pain
I had to remove these after less than 5 minutes as they caused such intense pain. The gel clings to your skin even with the lotion and tightens around your hands cutting off circulation. They have been off for about half an hour and my hands still hurt. I was so excited as I really like this brand in general. Very disappointed. Be very aware when buying.
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Reviewed in the United States on October 12, 2023
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Amazon Customer
Lexington, US
★★★★★ 5
Moisturizing Gloves That Actually Work
Over the years, I have tried so many different types of gloves to alleviate my dry skin. Since it especially bad on my hands I have tried everything. Of all the gloves I have purchased, this pair is head and shoulders above all the others. The first night I used these I could not believe the difference! It was astonishing. My hands were soft and supple for the first time in my life, and they stayed that way for most of the day. The moisturizing aspects of leaving humectants on one's skin for prolonged periods is really a game changer. They fit perfectly and can be pulled on with ease. The crazy bonus is that I was still able to use my phone once I was wearing them. That has never been the case with any of the other gloves I've used. If you have dry skin on your hands, you must try these. One night of use and you will be sold!
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Reviewed in the United States on January 15, 2026
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Abbylynn
Pawtucket, US
★★★★★ 4
A bit small for one size fits all
Purchased these for my husband who has pretty severe dry skin in the winter. The gloves are great but they are a bit small. My husband doesn’t have very large hands (cadet size golfing gloves) & this hardly reaches his wrist so one size fits most is a bit of a stretch. However, these do the job & he likes them. We appreciate the packaging doubles as a reusable pouch.
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Reviewed in the United States on February 27, 2024

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