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Climate Talks Consensus: All Countries Should Cut Greenhouse Gas Emissions--In Future

Sun, 11 Dec 2011 00:00:00 -0800

Scientific American - Dec. 11 - DURBAN, South Africa--For the first time, all major nations--developed and developing--have agreed to a roadmap that would combat climate change by reducing greenhouse gas emissions via an "outcome with legal force" that would not come into effect before 2020. The 194 countries negotiating here also agreed that such a universal plan must be completed by 2015 at the latest. ...

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Planet Likely to Become Increasingly Hostile to Agriculture

Wed, 07 Dec 2011 00:00:00 -0800

Scientific American - By Douglas Fischer - Dec. 07 (News Report) - YTo get a glimpse of the future, look to East Africa today. The Horn of Africa is in the midst of its worst drought in 60 years: Crop failures have left up to 10 million at risk of famine; social order has broken down in Somalia, with thousands of refugees streaming into Kenya; British Aid alone is feeding 2.4 million people across the region. That's a taste of what's to come, say scientists mapping the impact of a warming planet on agriculture and civilization.

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Three-Quarters of Climate Change Is Man-Made

Mon, 05 Dec 2011 02:23:22 -0800

Scientific American - Dec. 05 - Scientific AmericanThree-Quarters of Climate Change Is Man-MadeScientific AmericanTo separate human and natural causes of warming, the researchers analyzed changes in the balance of heat energy entering and leaving Earth—a new "attribution" method for understanding the physical causes of climate change. Their findings, which are ...Three-quarters of climate change is man-madeNature.comall 2 news articles »

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"About Pepper Spray"

Mon, 21 Nov 2011 00:00:00 -0800

Scientific American - By Deborah Blum - Nov. 21 (Investigative Report) - One hundred years ago, an American pharmacist named Wilbur Scoville developed a scale to measure the intensity of a pepper s burn. The scale as you can see on the widely used chart to the left puts sweet bell peppers at the zero mark and the blistering habanero at up to 350,000 Scoville Units. I checked the Scoville Scale for something else yesterday. I was looking for a way to measure the intensity of pepper spray, the kind that police have been using on Occupy protestors including this week s shocking incident involving peacefully protesting students at the University of California-Davis. ...

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Peace of Mind: Near-Death Experiences Now Found to Have Scientific Explanations

Mon, 12 Sep 2011 00:00:00 -0700

Scientific American - By Charles Q. Choi - Sep. 12 (News Report) - Near-death experiences are often thought of as mystical phenomena, but research is now revealing scientific explanations for virtually all of their common features. The details of what happens in near-death experiences are now known widely--a sense of being dead, a feeling that one's "soul" has left the body, a voyage toward a bright light, and a departure to another reality where love and bliss are all-encompassing. Approximately 3 percent of the U.S. population says they have had a near-death experience, according to a Gallup poll. Near-death experiences are reported across cultures, with written records of them dating back to ancient Greece. Not all of these experiences actually coincide with brushes with death-- one study of 58 patients who recounted near-death experiences found 30 were not actually in danger of dying, although most of them thought they were. ...

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Is Karzai's Accusation That Coalition Forces Are Polluting Afghanistan with Nuclear Material Accurate or an Over-Reaction?

Sat, 25 Jun 2011 00:00:00 -0700

Scientific American - By Larry Greenemeier - Jun. 25 (News Report) - President Obama has called for the withdrawal of 33,000 U.S. troops from Afghanistan over the next year and the remaining 68,000 by the end of 2014, but questions linger regarding what the troops are leaving behind after more than nine years of combat. In particular, Afghanistan President Hamid Karzai has accused U.S. and NATO-led coalition troops of littering

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Fuel Economy Standards Necessary But Not Sufficient to Cut Oil Demand

Fri, 24 Jun 2011 00:00:00 -0700

Scientific American - By Louis Nelson, ClimateWire - Jun. 24 (News Report) - Simply forcing the U.S. automotive industry to comply with tougher fuel economy standards won't be enough to create substantial cuts in either greenhouse gas emissions or oil use, says a new report from the National Research Council.

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How the Penis Lost Its Spikes: Scientific American

Wed, 16 Mar 2011 00:00:00 -0700

Scientific American - By Zoë Corbyn - Mar. 16 (News) - Humans ditched DNA to evolve smooth penises and bigger brains.

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Can we get off oil now?

Mon, 28 Feb 2011 00:00:00 -0800

Scientific American - By Mark Fischetti - Feb. 28 (Opinion) - How many wars, deaths, recessions and environmental disasters will it take before Americans, and their Congress, finally make a decisive move to reduce the country's dependence on oil?

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Why Are Americans So Ill-Informed on Climate Change?

Wed, 23 Feb 2011 00:00:00 -0800

Scientific American - By Robin Lloyd - Feb. 23 (Special Report) - As glaciers melt and island populations migrate from shores to escape rising seas, many scientists remain baffled as to why the research consensus on human-induced climate change remains contentious in the U.S.

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Fear-Based Messaging May Influence Skepticism of Global Warming

Sat, 20 Nov 2010 00:00:00 -0800

Scientific American - Nov. 20 (News) - Earlier this year a Gallup pole found that 48 percent of Americans believe that global warming concerns are exaggerated. Back in 1997 31 percent of Americans thought the concerns were overrated. Why the increase? Well it might have to do with the

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New York State Begins Planning for Sea Level Rise

Fri, 19 Nov 2010 16:12:02 -0800

Scientific American - Nov. 19 - RISING TIDE: Rising sea levels will not just affect New York City but communities from Long Island all the way up the Hudson River in New York State. Image: Photo by aturkus, courtesy Flickr NEW YORK -- New York state is beginning to take the threat

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Long Live the Web

Fri, 19 Nov 2010 04:38:17 -0800

Scientific American - Nov. 19 -

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Scientists Decide On Top Five Issues For Sustainability

Sun, 14 Nov 2010 00:00:00 -0800

Scientific American - Nov. 14 (News) - It’s the environmental question of our time: what sustainable practices can keep our planet optimally habitable? Now a group of international scientists has published a report outlining five key areas of concentration necessary to protect the

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Climate change, Deforestation and Corruption Combine to Drown Pakistan

Wed, 13 Oct 2010 00:00:00 -0700

Scientific American - By Nathanial Gronewold - Oct. 13 (Special Report) - Government officials believe deliberate human degradation of Pakistan's environment, along with a string of failings in engineering projects downstream, made the 2010 summer flooding worse.

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Death and Chocolate: Disease Threatens to Devastate Global Cocoa Supply

Fri, 24 Sep 2010 00:00:00 -0700

Scientific American - By Michael Moyer - Sep. 24 (News Analysis) - In a rare tale of technology, bio terrorism and chocolate, scientists are racing to sequence the cacao tree genome. They fear that without the genome in hand they will be unable to stop the spread of two virulent pathogens that threaten to devastate the world’s cocoa crop.

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Energy Polls - Question 1

Sun, 19 Sep 2010 00:00:00 -0700

Scientific American - Sep. 19 (Opinion) -

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Psychology Studies Biased Toward Western Undergrads

Sat, 07 Aug 2010 14:38:19 -0700

Scientific American - Aug. 07 - Anyone familiar with psychology has probably heard a statement like this: A significant percentage of male & female undergraduates displayed X when prompted by Y. And typically the conclusion of the study is something like: So humans display X in

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NASA Puts the "Green" in Its Other Mission: Developing Revolutionary, Energy-Efficient Airplanes

Fri, 30 Jul 2010 00:00:00 -0700

Scientific American - By Adam Marcus - Jul. 30 (News Report) - The first "A" in NASA stands for aeronautics, and the agency is leading a host of federal programs and initiatives that aim to develop a fleet of environmentally friendly aircraft.

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How Does a Heat Wave Affect the Human Body?

Sat, 24 Jul 2010 00:00:00 -0700

Scientific American - Jul. 24 (News) -

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U.S. Navy Laser Weapon Shoots Down Drone [Video]: Scientific American

Mon, 19 Jul 2010 00:00:00 -0700

Scientific American - Jul. 19 (News) -

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Why Johnny Can't Name His Colors

Sat, 17 Jul 2010 00:00:00 -0700

Scientific American - By Melody Dye - Jul. 17 (News Report) - No, the kid's probably not color blind. A trick for teaching children colors at a younger age -- and why it is otherwise so hard for them.

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So You Want to Be a Scientist

Thu, 01 Jul 2010 11:55:28 -0700

Scientific American - Jul. 01 - LINDAU, Germany—Play hard. Learn to explain what you do to people who know nothing about science. Put your collaborators’ needs first. A Wednesday panel here at the 60th annual Nobel Laureate Lectures at Lindau gave young scientists tips—sometimes

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Experto Crede: Climate Expertise Lacking among Global Warming Contrarians

Tue, 29 Jun 2010 00:00:00 -0700

Scientific American - By David Biello - Jun. 29 (Special Report) - The new analysis, published June 21 in Proceedings of the National Academy of Sciences, surveyed 908 researchers publishing in scientific journals from around the world on the subject and found that not only were those in the unconvinced camp less expert in the field, they were also less likely to be trained in the climate science.

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How close are we to catastrophic climate change?

Mon, 28 Jun 2010 00:00:00 -0700

Scientific American - By David Biello - Jun. 28 (Opinion) - As you may have noticed, scientists remain convinced that humans are altering the global climate with an excess of greenhouse gas emissions—soot, methane and the ever-present carbon dioxide we pump out from our lungs and coal-burning power plants. The question is: how bad is said climate change going to get?

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