LES EXTINCTIONS MASSIVES DES ESPÈCES - [ Origine ]
Cela fait plus de 3.5 milliards d'années que notre planète abrite la vie et depuis, nous avons connu 5 grandes phases d'extinction des espèces et voila ...
Origine
Randall Carlson Podcast Ep013 Catastrophic Extinctions and the Younger Dryas Boundary Events
Kosmographia Podcast episode 013 (Re-release of parts 1 and 2 combined, from GCREX channel) with Randall Carlson, the Snake Brothers – Kyle and Russ, ...
Randall Carlson
The Day the Mesozoic Died: The Asteroid That Killed the Dinosaurs — HHMI BioInteractive Video
Ever wonder why the dinosaurs disappeared? HHMI BioInteractive investigates the cause of the mass extinction at the end of the Cretaceous period—and the ...
biointeractive
The Cretaceous-Tertiary Mass Extinction: What Really Killed the Dinosaurs?
About 66 million years ago, 70 percent of all the species that existed at the time, including the non-avian dinosaurs, became extinct in an apocalypse widely ...
Harvard Museum of Natural History
The Mother of Mass Extinctions: How Life on Earth Nearly Ended 250 Million Years Ago
Douglas Erwin, Professor, Santa Fe Institute July 12, 2006 During the greatest biodiversity crisis in the history of life some 250 million years ago, over 90% of all ...
Santa Fe Institute
Experience the Disaster that Wiped Out Dinosaurs
When the dinosaur-killing asteroid struck Earth, most of the impact energy was directed outwards and upwards into space. Only 1% of the force traveled down ...
Science Channel
Extinction of Species | Evolution | Biology | FuseSchool
When a plant or animal species that once lived stops existing entirely, we say that that species has become extinct. Why do certain species of plants and animals ...
FuseSchool - Global Education
Randall Carlson Podcast Ep019 Great 5 Mass Extinctions / Cosmic Proxies with Black Mat / Critiques?
Kosmographia Ep019 The Randall Carlson Podcast with the Snake Brothers – Kyle and Russ, Normal Guy Mike and GCREX admin Bradley, from 01/06/20.
Randall Carlson
EGU2010: Mass extinctions, volcanism, impacts and global environmental change (Press Conference)
Press conference with Gerta Keller, Vincent Courtillot, Thierry Adatte at the 2010 General Assembly of the European Geosciences Union. (Credit: EGU/CNTV.at) ...
European Geosciences Union
Biodiversity and extinction, then and now
How common is species extinction? Some is always happening. But over geologic time, biodiversity has increased despite several mass extinction events.
California Academy of Sciences
Deep Impact (8/10) Movie CLIP - The Comet Hits Earth (1998) HD
Deep Impact movie clips: http://j.mp/1uxeg5T BUY THE MOVIE: http://amzn.to/sx9mHZ Don't miss the HOTTEST NEW TRAILERS: http://bit.ly/1u2y6pr CLIP ...
Movieclips
Meteor Impact Site | National Geographic
Some say the meteor that struck the Yucatan peninsula killed off dinosaurs and led to the development of present-day mammals. ➡ Subscribe: ...
National Geographic
GEOLOGY - Mass Extinction - Steve Brusatte
Steve Brusatte explains the different causes of mass extinction, including the asteroid that killed the dinosaurs. Watch Steve's full event from the Hay Festival ...
Hay Levels
Is Nemesis Star Responsible For Mass Extinction?
History indicates that on Earth there is a cycle, but not a cycle of life per se, but one of extinction. And some scientists think that there is a "Nemesis" out in space ...
Insane Curiosity
Speciation and Extinction
007 - Speciation and Extinction Paul Andersen details the evolutionary processes of speciation and extinction. Stickleback evolution in Lake Loberg is used as ...
Bozeman Science
POGIL: Mass Extinctions
John Vieira
Michael Benton - Recovery from the greatest mass extinction of all time
88° Congresso della Società Geologica Italiana - Napoli 6 Settembre 2016. Audiovisivo a cura dell'Università degli Studi di Napoli Federico II - CSI SAM ...
Società Geologica Italiana
Younger-Dryas Impact Hypothesis News / Carolina Bays Enigma -Cosmography101-34 pt1 w/Randall Carlson
Cosmography101 Class 34 part 1 with Randall Carlson, from January 7, 2009. Find ALL these classes listed in sequence on the playlist. Much more on the ...
GeoCosmic REX
Geological Timeline and Mass Extinction
Science Chomp
Great Extinction Events Overview and YDB Evidence -Kosmographia 019.1 The Randall Carlson Podcast
Kosmographia: The Official Randall Carlson Podcast episode 019 (part 1/2) with the Snake Brothers – Kyle and Russ, Normal Guy Mike and GCREX admin ...
GeoCosmic REX
Anthropocène : coup d'envoi ou coup de grâce ? | Nicolas Kramar | TEDxMartigny
Vous connaissez le point commun entre l'époque actuelle et celle des dinosaures? C'est l'extinction massive des espèces. A l'heure où l'on parle beaucoup de ...
TEDx Talks
How a single-celled organism almost wiped out life on Earth - Anusuya Willis
Discover how a single-celled organism caused the first mass extinction in Earth's history and paved the way for complex life. -- There's an organism that changed ...
TED-Ed
Acidifying the Ocean: Assessing Impacts on Coral Reefs
Visit: http://www.uctv.tv/) Ocean acidification, the well-documented increase in ocean acidity resulting from increasing atmospheric carbon dioxide, poses threats ...
University of California Television (UCTV)
Why Avocados Shouldn't Exist
The avocado is highly regarded by many people as delicious and nutritious, but the most extraordinary thing about avocados may be their very existence.
SciShow
Geo-Rant 77: Precambrian Mass Extinctions
Here I talk about the importance of the Precambrian.
Steven Baumann
BRAVE | There's No Plan(et) B - What you can do about Earth's extinction emergency.
with Professor Corey Bradshaw. Earth is currently experiencing a mass extinction brought about by, … well, … us. Species are being lost at a rate similar to ...
Flinders University
An Alternative Theory About What Could Have Killed The Dinosaurs
A new scientific model has discovered what actually happened to the earth after the asteroid impact that killed the dinosaurs. What Color Were Dinosaurs.
Seeker
Dinosaurs and Asteroids: CrEvo Rant #17 with Wazooloo, aka, Ian Juby
http://christianima.com http://wazooloo.com What happened to the dinosaurs? Aliens? Chuck Norris? An Asteroid? Ian discusses the overwhelming evidence ...
wazooloo
Ecosystem Change
051 - Ecosystems Change Paul Andersen explains how ecosystems change over time. He starts by explaining how global climate change will impacts ...
Bozeman Science
The effect of psilocybin on personality in patients with major depression -David Erritzoe
Over the last few years, a number of clinical pilot studies have examined the therapeutic potential of psilocybin for a variety of mental health conditions; including ...
OPEN Foundation
Large Animals in Mass Extinctions
My talk at the Philippine Shark summit 2018 in Tagbilaran, Bohol. Why are large animals like sharks and rays especially in peril during mass extinctions?
Pacificklaus
The colossal consequences of supervolcanoes - Alex Gendler
View full lesson: http://ed.ted.com/lessons/the-colossal-consequences-of-supervolcanoes-alex-gendler In 1816, Europe and North America were plagued by ...
TED-Ed
Sir Martin Rees Public Lecture: Surviving the Century
In his public lecture at Perimeter on October 2, 2019, Sir Martin Rees (UK Astronomer Royal) explored how advances in biotech, cyber-technology, robotics, and ...
Perimeter Institute for Theoretical Physics
3 Times All Life on Earth Nearly Ended
3 times that all life on Earth came close to being destroyed. Throughout the history of life, there have been extinctions, but there were a few that had a greater ...
Ben G Thomas
The Anthropocene: The age of mankind - Docu - 2017
An ocean that contains as much plastic as fish, an atmosphere filled with CO2 choking the whole mankind and mass extinction of animals. The destructive ...
vpro documentary
Scientists: Climate Change May Wipe Out Third of World's Parasites, With Disastrous Ripple Effects
https://democracynow.org - As the United States continues to deal with unprecedented floods and hurricanes, a new study has revealed climate change is also ...
Democracy Now!
Joe Rogan Experience #872 - Graham Hancock & Randall Carlson
Graham Hancock is an English author and journalist, well known for books such as "Fingerprints Of The Gods" & his latest book "Magicians of the Gods" is ...
PowerfulJRE
The science and history of doomsday
Are we just another evolutionary dead end like so many other species? Are we just another trial to see what does and does not work? Are we something that is ...
Important History Lessons
Jupiter Is a Jerk… and Also Our Friend
The largest planet in our solar system is no stranger to throwing its weight around, both to our benefit and detriment here on Earth. SciShow has a spinoff ...
SciShow Space
EXTINCTIONS: PAST AND PRESENT (Lecture 2 of 5) Prof P. Ryan
Lecture title: Terrestrial extinctions in the Anthropocene, Prof P. Ryan Course: EXTINCTIONS: PAST AND PRESENT (Lecture 2 of 5) Coordinated by Professor ...
UCT Summer School
Ben Black: Climate impacts of ancient massive volcanic eruptions and implications for Earth's future
Climate impacts of ancient, massive volcanic eruptions and implications for Earth's future Speaker: Ben Black, City College of New York Abstract: Volcanic ...
NCAR Atmospheric Chemistry Observations & Modeling
The end of humanity: Nick Bostrom at TEDxOxford
Swedish philosopher Nick Bostrom began thinking of a future full of human enhancement, nanotechnology and cloning long before they became mainstream ...
TEDx Talks
