Science 2.0

Hank Campbell

Hank Campbell

Hank Campbell is an American science writer, author of the bestselling book 'Science Left Behind', and the founder of Science 2.0®, the world's largest independent science communications site. His work has appeared in the Wall Street Journal, USA Today, Wired, Chicago Tribune, CNN, and many more places.

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Is The Sun Tan Making A Comeback?

Is The Sun Tan Making A Comeback?

It used to be the advice on tanning was simply 'don't do it' but tanning may be a way to protect yourself - if you leave out the UV rays.

The Mystery Of The Lake That Triggered Global Warming

The Mystery Of The Lake That Triggered Global Warming

If you've never heard of Lake Agassiz, it's no surprise. It disappeared over 8,000 years ago. Yet it may have been the global warming trigger that ended the last Ice Age.
Using remains from lakes, bogs and channels, a multi-disciplinary group of scientists recently tackled the secrets of glacial Lake Agassiz and Big Stone Moraine.
Knowing the chronology of glacier retreat, and when glacial lakes formed, is important in linking physical events on the landscape with paleoclimate records. At the close of the last ice age, glacial ice in the upper Midwest of the United States retreated very quickly, likely in response to the warming climate.

How Much Money Would It Take For You To Become Black?

How Much Money Would It Take For You To Become Black?

When white Americans were asked in a new study to pick a dollar amount they would have to be paid to live the rest of their lives as a black person, most requested less than $10,000. A minor thing.
In contrast, study participants said they would have to be paid about $1 million to give up television for the rest of their lives.
This would seem to state that white people don't think being black is such a big deal in 2007. Not the case at all, says Philip Mazzocco, co-author of a new study study and assistant professor of psychology at Ohio State University's Mansfield campus. Instead, he says the results suggest most white Americans don't truly comprehend the persisting racial disparities in our country.

Jane Poynter on Two Years And 20 Minutes Inside Biosphere 2

Jane Poynter on Two Years And 20 Minutes Inside Biosphere 2

ScientificBlogging.com Featured Columnist Jane Poynter has written a book, The Human Experiment: Two Years and Twenty Minutes Inside Biosphere 2 , discussing her experiences inside the legendary long-term science experiment.

What Giving Back On The Internet Can Tell Us About Anthropology

What Giving Back On The Internet Can Tell Us About Anthropology

Why do some online communities succeed, like Second Life, Facebook and, well, this one, and some fail?
The answer may be in what their communities think about 'giving' and it can tell us a lot about people in general.
Everyone does something on social sites for a reason. People like to 'get paid' even if that doesn't mean money. It is why people submit articles to Digg - submitters get the satisfaction of knowing they brought an interesting article to people that they may not have found themselves.

The Case For Ethical Embryonic Stem Cell Research

The Case For Ethical Embryonic Stem Cell Research

Human embryonic stem cells (hESC), new cells that are basically a biological blank slate, become more specialized as they develop and contribute to a number of organs and tissues. As such, they have the potential to treat diseases such as Parkinson’s but their progress has been slowed because of the ongoing ethical debate over how human embryonic stem cells are derived.
Some European countries - Austria, Germany, Ireland, Italy, Norway, Poland, Slovakia and Switzerland - forbid the creation of new hESC lines surplus embryos, even ones that remain from infertility procedures. In June, 2006 the EU parliament only narrowly agreed to fund stem-cell research, and then only as long as it excluded activities that involve destroying human embryos. In the US the restrictions are similar.

Can You Get Science On Demand?

Can You Get Science On Demand?

It's no secret that science is popular these days.  I can't pick up a magazine or a newspaper without  seeing an article dealing with science and how it impacts society.   Global warming pieces are everywhere with scientists arguing about its causes or even if it exists.  Some scientists argue about framing the debate for non-scientists while others think science is too important to be left up to people.  
I read some politicians and they think they can fix every problem with regulation and laws.  I read some scientists and they think they can fix every problem with funding.

Are you descended from Genghis Khan?

Are you descended from Genghis Khan?

Approximately 16 million Asian men consider themselves to be Genghis Khan’s descendants. It turns out that may actually be true.
Almost four years ago Zerijal and fellow researchers published a paper showing Y-chromosome variability of 2,123 inhabitants of different regions in Asia. They discovered a whole cluster of closely-related lines, all having a common ancestor.

Was Russian DNA the only thing he couldn't conquer?

Studies you don't need to read: playgrounds can help fight childhood obesity

Studies you don't need to read: playgrounds can help fight childhood obesity

No kidding? Active kids don't get fat?
Anyway, here it is:
The study is titled "Weekend Schoolyard Accessibility, Physical Activity, and Obesity: The Trial of Activity in Adolescent Girls (TAAG) Study." The full version is currently available online at the Science Direct Web site, under the Articles in Press section.
The study says school playgrounds can help fight against childhood obesity but many are locked and inaccessible to children on weekends – especially in poor and minority neighborhoods.