What Makes Us Different?
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Not very much, when you look at our DNA. But those few tiny changes made all the difference in the world
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Science & environment: Humans are evolving faster than ever, says a new study tracking changes in our genes. But some scientists believe we may be going backwards
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By Marni Pyke  mpyke@@dailyherald.com  About this series "We do not inherit the earth from our ancestors," somebody once said, "we borrow it from our children." We didn't always think that way, of course.
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Comment is free: Jonathan Freedland:  The US campaign has been painted as all about image, but there are policy distinctions - and they do matter
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Blog: The species was changed. But it's controversial.
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Sometimes, the two concepts can blur.
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Comment is free: Madeleine Bunting: An important US study shows us that the effects of ethnic diversity can be read as a challenge, rather than a threat.
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Ever wondered what our celebs were thinking before
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How do children respond to stereotypes about race, religion and gender? A child-development expert looks at contradictions in kids' behavior.
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Genetic evidence suggests humans have moved into the evolutionary fast lane and are becoming increasing different.
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In their hearts, it seems, men and women really are different.
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Growing up, the aliens I  heard about were from outer space. Later, the aliens that  mattered most were people who came to the U.S. from elsewhere.  The CW&#39;s &quot;Aliens in America&quot; reminds us in ways both satiric  and sweet that it is possible to feel like an alien even if you  don&#39;t belong to either of these groups.
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I was looking at what my friend Stephen Lewis wrote in HakPakSak a few days ago &#151; specifically newspapersâ roles as public trusts and cornerstones of our informational infrastructure &#151; i.e. sources of solid information and independent commentary essential to informed citizenry, democratic government, effective public policy, and well-functioning economies. What this brought up for me is the notion that human beings are themselves infrastructural;  especially when they are constuctive contributors to the structure we call civilization.
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By Rupa Shenoy  rshenoy@@dailyherald.com  It's a question that defeats many an adult: How can one person make a difference?  But when a sixth grade elementary class from West Chicago tackled the question, the students came up with a nationally award- winning answer.
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American society is increasingly polarized, our politics ever more fractious, and I believe most of us are figuring out that we spend far too much time and energy dwelling on our differences rather than embracing the similarities and commonalities that unite us as Americans.
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How many genes does it take to make a human? Only about the same number it takes for a small flowering plant or a tiny worm, says a new estimate that's sharply reduced from just three years ago.
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Beyond the tired cliches and sperm-and-egg basics taught in grade school science class, researchers are discovering that men and women are even more different than anyone realized.