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Approval Delayed for Keystone Crude-Oil Pipeline

By Arshad Mohammed and Timothy Gardner WASHINGTON (Reuters) - The United States will study a new route for the Keystone XL Canada-to-Texas oil pipeline, U.S. officials said on Thursday, delaying any final approval beyond the 2012 election and sparing President Barack Obama a politically risky decision for now. [More]

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Sickle-Cell Anemia Mystery Is Solved

By Meredith Wadman of Nature magazine It has been a medical mystery for 67 years, ever since the British geneticist Anthony Allison established that carriers of one mutated copy of the gene that causes sickle-cell anaemia are protected from malaria. [More]

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Welcome Octopus Chronicles – the newest blog at #SciAmBlogs

This is an exciting day for the #SciAmBlogs network – launch of the brand new blog by Katherine Harmon! She is a reporter and associate editor for Scientific American covering health, medicine, neuroscience and general life sciences for the website and you are probably familiar with her articles and blog posts (on the Observations blog). You can also follow her on Twitter at @katherineharmon . Katherine’s new blog is Octopus Chronicles , where she will write about this most intelligent and most charismatic of all invertebrates – the science, the history, the art, the works… This blog will be her “writing laboratory” as she works on her new book about these fascinating animals.

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China, India Could "Lock" World in a High-Carbon Energy System, IEA Warns

The world could burn nearly 8,000 million metric tons of coal by 2035 -- most of it in China -- unless countries radically change their energy policies, according to the International Energy Agency (IEA). The IEA's World Energy Outlook released this week found that China almost singlehandedly fueled the rise in coal use throughout the first decade of the 21st century

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Is Money Wasted Preparing for a Major Midwest Quake?

The lethal fault cuts through the middle of a Tennessee bean field and then ducks beneath the Mississippi River, making a beeline for New Madrid , Missouri. Named the Reelfoot fault, this geological crack combined with neighbouring faults two centuries ago to unleash a series of devastating earthquakes that have been called the biggest to strike the contiguous United States in recorded history.

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Discredited Vaccine-Autism Researcher Defended by Whistleblower Group

It is one of the most serious allegations that could be made about a doctor: manipulating patients' histories to make money. So it is no wonder that the charges, levied by editors of the British Medical Journal (BMJ) in January against medical researcher Andrew Wakefield, are still getting close scrutiny. Now an American whistleblower advocacy group has joined the fray over Wakefield, who in 1998 hypothesized a link, now scientifically disproven, between the measles, mumps and rubella vaccine (MMR) and autism

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Calories Depend on Food Preparation

Food is the body’s fuel. Now a study finds that the amount of energy in that fuel can depend not just on its calorie content--but on how it’s prepared. And the research, published in the Proceedings of the National Academy of Sciences , could explain an ancient leap in human evolution

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Your Birdsong Stays on My Mind

“Officers, life doesn’t have to be ugly. See, look at the birds out there. Listen to their call: ‘Oo-wee! Oo-wee! Oo-wee! Oo-wee!” — Beverly Sutphin, Serial Mom Alas, as fans of John Waters’ masterpiece know, Beverly’s love of her feathered friends didn’t extend to homo sapiens

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SpaceX ‘Dragon’ Capsule Aims to Go to Mars

By Eric Hand of Nature magazine Dragon, the privately built space capsule intended to haul cargo and astronauts to the International Space Station (ISS), is auditioning for another high-profile role.

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