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xkcd: Up Goer Five

xkcd: Up Goer Five | Dr. Goulu | Scoop.it
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Dr. Goulu
sélection de nouvelles scientifiques et articles de blogs http://www.drgoulu.com
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What Is This Mystery Object in an Astronaut’s Photo?

What Is This Mystery Object in an Astronaut’s Photo? | Dr. Goulu | Scoop.it
Pictures of the Earth taken from the International Space Station are endlessly fascinating. Sometimes the locations are obvious, and sometimes not so much.And sometimes we get a mystery. I have one of those for you today.
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Chikungunya : la brève histoire d’un virus émergent

Chikungunya : la brève histoire d’un virus émergent | Dr. Goulu | Scoop.it
Le chikungunya est une maladie due à un virus à ARN transmis par la piqûre d’un moustique du genre Aedes.
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Somewhere else, part 150

Somewhere else, part 150 | Dr. Goulu | Scoop.it
Some writings worth reading, here and there RT @Alan_D_Duncan “From my blog archives: “The religious warfare of data modelling”" http://www.forbes.com/bradpeters/ … “5 Rules For Making Graphs” http://hackerspace.lifehacker.com… “10 Reasons Why I Ignored...
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Anniversary of the Apollo 11 Moon Landing

Anniversary of the Apollo 11 Moon Landing | Dr. Goulu | Scoop.it
Although I was born several years after the first Apollo Moon landing, the excitement surrounding the Apollo Moon landings and the space exploration enthusiasm it fostered drastically affected my childhood and shaped the direction my later life...
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How We’d Really Deal With the Pandemic in 'The Last Ship'

How We’d Really Deal With the Pandemic in 'The Last Ship' | Dr. Goulu | Scoop.it
A United States Navy Destroyer is sent to the Arctic and ordered to radio silence for four months. During that time, a mysterious virus – 100 percent fatal and 100 percent contagious – spreads from isolated pockets in Africa and Asia into a pandemic.
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‘Moonwalk One’ Makes Us Excited About Apollo 11 All Over Again

‘Moonwalk One’ Makes Us Excited About Apollo 11 All Over Again | Dr. Goulu | Scoop.it
Long lineups at Cape Kennedy. Every television channel playing the same breathless coverage. Shots of rockets, of men in spacesuits, and of course the ghostly image of people stepping on to the moon for the first time.
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How Much Underwear Do You Need To Pack For Vacation? Here Are Some Helpful Charts

How Much Underwear Do You Need To Pack For Vacation? Here Are Some Helpful Charts | Dr. Goulu | Scoop.it
More underpants never hurt anyone. You never know what's going to happen!
Never underestimate how much underwear you need to bring with you on a trip.
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Water and Ice in Hydrogen Fuel Cells Directly Imaged

Water and Ice in Hydrogen Fuel Cells Directly Imaged | Dr. Goulu | Scoop.it
Scientists at the Paul Scherrer Institute (PSI) have, for the first time, directly imaged the distribution of liquid water and ice in a hydrogen fuel cell....
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The New Health Care: The Global Slowdown in Medical Costs

The New Health Care: The Global Slowdown in Medical Costs | Dr. Goulu | Scoop.it
Health spending has slowed in many countries, bringing good news — and reasons to question many neat explanations for the trend.
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The Mediterranean Diet and Cognitive Decline

The Mediterranean Diet and Cognitive Decline | Dr. Goulu | Scoop.it
The Mediterranean diet, it may have broad health benefits [let's face it we can't seem to escape the push for it here in the US], but a new study suggests that […]...
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What Created This Huge Crater In Siberia?

What Created This Huge Crater In Siberia? | Dr. Goulu | Scoop.it
An 80-meter-wide crater recently discovered in northern Siberia (video screenshot)
What is it with Russia and explosive events of cosmic origins?
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Pour la Science de Juillet

Pour la Science de Juillet | Dr. Goulu | Scoop.it
L été, il arrive que je lise Pour la Science un peu distraitement, lunettes de soleil sur le nez et bière à la main. Mais cette année c est différent : le numéro 441 de juillet est passionnant du début à la fin. Dans ce numéro:
  • L intelligence des céphalopodes
  • La réionisation 
  • L effet Google
  • Ramanujan et les partitions
  • Y a-t-il masse et masse 
  • Energies renouvelables
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L’écureuil vampire, un dévoreur de cœurs

L’écureuil vampire, un dévoreur de cœurs | Dr. Goulu | Scoop.it
Après le dauphin et l’escargot, je m’attaque à nouveau à la bonne réputation – que je trouve usurpée – d’une bestiole. Non, ce n’est pas encore l’heure du chaton ou du poney ! Aujourd’hui, c’est la popularité de l’écureuil qui va être démontée.
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Combien d’amis pour fêter au moins un anniversaire par jour ?

Combien d’amis pour fêter au moins un anniversaire par jour ? | Dr. Goulu | Scoop.it
Hier je suis tombé par hasard sur cet article intéressant :  https://blogdemaths.wordpress.com/2013/06/23/les-anniversaires-de-vos-amis-sur-facebook/   Combien faut-il d’amis (sur Facebook par exemple) de façon à fêter au moins un anniversaire tous...
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PHOTO DU BoB-178

PHOTO DU BoB-178 | Dr. Goulu | Scoop.it
Le Best of Bestioles vous propose tous les jours une photo d'un animal étonnant.
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La Passion d’Alvin Weinberg

La Passion d’Alvin Weinberg | Dr. Goulu | Scoop.it
Le physicien de 59 ans était dans une sorte de panique. La terre se réchauffait de plus en plus, et personne à Washington ne semblait s’en soucier.
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Science Graphic of the Week: When a Volcano Erupts Under a Glacier You Get a Jökulhlaup

Science Graphic of the Week: When a Volcano Erupts Under a Glacier You Get a Jökulhlaup | Dr. Goulu | Scoop.it
Though we often think of the earth beneath our feet as static, we also know that our planet is a dynamic object.
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Rockets often utilize liquid propellants for their combustion....

Rockets often utilize liquid propellants for their combustion. To maximize the efficiency during burning, the liquid fuel and oxidizer must mix quickly and break up into an easily vaporized spray.
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Mapping The World's Water Conflicts Shows Trouble Ahead

Mapping The World's Water Conflicts Shows Trouble Ahead | Dr. Goulu | Scoop.it
But it's not all bad news. Just mostly bad news.
If the wars of the past tended to be about territory and oil, the wars of the future could be about water.
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The First Commercially Successfull Video Game was Meant as a Training Exercise and Wasn’t Intended to Be Released

The First Commercially Successfull Video Game was Meant as a Training Exercise and Wasn’t Intended to Be Released | Dr. Goulu | Scoop.it
Today I found out “Pong” was originally meant only as a training exercise for a new gaming developer at Atari, Allan Alcorn, and wasn’t intended to be released as a consumer product.
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PHOTO DU BoB-175

PHOTO DU BoB-175 | Dr. Goulu | Scoop.it
Le Best of Bestioles vous propose tous les jours une photo d'un animal étonnant.
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Computer Virus Catalog

Computer Virus Catalog | Dr. Goulu | Scoop.it
Bas van de Poel is the force behind Computer Virus Catalog, an “illustrated guide to to the worst viruses in computer history.”
(via Khoi)
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Diamond crushed to Saturn's extremes

Diamond crushed to Saturn's extremes | Dr. Goulu | Scoop.it
Diamond, nature's hardest material, has been crushed to record extremes using the "world's biggest laser".
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Ce qui vient au hasard est-il complexe ?

Ce qui vient au hasard est-il complexe ? | Dr. Goulu | Scoop.it
  Ce qui vient au hasard est-il complexe ?   La question posée est bien sûr imprécise, et nous allons en donner plusieurs interprétations qui conduiront à plusieurs réponses.
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Tel un trou noir, ce matériau absorberait pratiquement toute la lumière

Tel un trou noir, ce matériau absorberait pratiquement toute la lumière | Dr. Goulu | Scoop.it
Guru Med


Une société anglaise, Surrey Nanosystems, affirme avoir développé le matériau le plus noir au monde.
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