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Nuclear nightmare in Japan
Japan’s nuclear troubles: What is the fallout? ENLARGE Photo: Digital Globe Imagery Satellite image shows the Fukushima Daiichi power plant, three minutes after an explosion on March 14, 2011. On March...
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Soil: Key to solving the food crisis?
ENLARGE 2008, probably Ethiopia, Alex Wynter/IFRC This woman’s sick, malnourished daughter holds her head and shields her eyes from the sun. Hunger season approaching? In some places, the harvest is...
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Biology as engineer
DOWNLOAD PDF Image © Science/AAAS Now in 3-D: the weevil’s screwy leg joint! Click for an interactive view of a weevil’s left hind leg (requires Javascript and have Adobe Reader 8.1 or higher)....
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Running out of space
Spaced out? Launch problems accelerate UPDATE 27 APRIL 2012: The retired space shuttle Enterprise will fly over New York City today, aboard a jumbo jet, as part of the move to its final resting place...
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Calendars: A fix needed?
Calendar proposal makes sense Ever wonder why the calendar requires us to retool a schedule every year? Ever question why your birthday will fall on a different day of the week next year? Do you grit...
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Farming, Native American style
Planting season — old style As farmers north of the equator get ready to plant their seeds, we’ve started wondering about agriculture before Columbus. Conventional wisdom says Native Americans were...
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Making spears
The oldest spears Spears, during the stone age, were primo tools for dealing with the pangs of hunger or the perils of an attacking lion. And so both Homo sapiens and our Neanderthal relatives invented...
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A new iron age?
Iron and steel: The billion-ton business We may call this the age of information, but we could also call it the age of steel. More than 1.5 billion tons of steel are made each year for bridges,...
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3-D printing: Wave of the future
Saved by the printer! If you’ve been wondering about 3-D printing, it’s probably for the same reason we are. On May 17, we learned that surgeons had placed a life-saving support — built on a 3-D...
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Giving the ultimate gift
Finally, a function for Facebook? Photo: Melinda Shelton Liver-transplant recipients gathered at the annual Alabama Organ Center Celebration of Life Picnic, which brought together doctors, nurses and...
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Smokin’ hot! Altered tobacco plants point toward race-car photosynthesis
Smokin’ hot! Altered tobacco plants point toward race-car photosynthesis This tobacco plant was engineered to use a high-efficiency enzyme from cyanobacteria to transform carbon dioxide in the...
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