Modern human mothers are probably happy that they typically have one, maybe two babies at a time, but for early hominids, low birth numbers combined with competition often spelled extinction.
Feb 16, 2007
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Imagine two stars with winds so intense that they eject an Earth's worth of material roughly once every month. Next, imagine those two winds colliding head-on. Such titanic collisions produce multimillion-degree gas, which ...
Astronomy
Feb 16, 2007
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Advances in digital electronic circuits have prompted the boost in functions and ever- smaller size of such popular consumer goods as digital cameras, MP3 players and digital televisions. But the same cannot be said of the ...
Engineering
Feb 16, 2007
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Fundamental theories in evolutionary biology have long proposed that biological kinship is the foundation of the family unit. It not only creates the sense of altruism that exists among genetically related family members, ...
Feb 16, 2007
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The San Francisco area is well-known for its beautiful waters. In fact, it is one of the most biologically productive areas in the United States’ waters.
Feb 16, 2007
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Air pollution sources are everywhere in the home, from the bacon and eggs frying in the kitchen, to the woodburning stove in the family room, the newly painted hallway, and even the carpet in the living room. To help estimate ...
Other
Feb 16, 2007
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In a keynote address at the LinuxWorld OpenSolutions Summit in New York yesterday, Randy Allen, corporate vice president, Server and Workstation Division, AMD, revealed findings from a study that comprehensively calculated, ...
Energy & Green Tech
Feb 16, 2007
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