Comment can't stop it (Score 1) 103
You can't stop progress?
Comment Carbon dating (Score 2) 155
I feel obliged to point out that isotopic fractionation is not "central" to carbon dating. The key to carbon dating is that radioactive carbon-14 decays to nitrogen-14 with a half life of roughly 5700 years, enabling biological material to be dated by its residual carbon-14 content. That is not isotopic fractionation, it's radioactive decay. Isotopic fractionation would be involved if you observed a difference in the ratio of carbon-12 to carbon-13 in plants versus that same ratio in the air.
Comment protecting pseudoscience (Score 0) 663
Honestly, I'd bet the reason the test designers are using these correct "incorrect" answers is because they know they can't include more appropriate examples of non-testable theories. Specifically: "God created the Earth in 7 days", "God created man in his own image", etc. etc.
Comment Re:Wasted effort? (Score 1) 298
Also because what we know about thermodynamics tells us that analogous non-carbon (e.g. silicon) "organic"-molecules are less stable and thus less likely to be the basis for life.
Comment Re:Because Mars is the best chance for the price (Score 1) 298
Dead on. It's not like you can just look at a pile of dirt (or ice) and tell whether there's something living in it. And you certainly can't do life detection from orbit unless you have a serious biosphere going, which obviously none of these outer solar system moons have. And the Europa drilling ideas that people like to throw around aren't going to be technically feasible in the time frame of the missions to Mars -- if ever.
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Submission + - Facebook Data Collection Under Fire Again (computerworld.com)
The Independent Centre for Privacy Protection (ULD), the privacy protection agency for the German state of Schleswig-Holstein, issued a news release on Friday saying Facebook builds a broad, individualized profile for people who view Facebook content on third-party websites.
Data is sent back to Facebook's servers in the U.S., which the agency alleges violates the German Telemedia Act, the German Federal Data Protection Act and the Data Protection Act of Schleswig-Holstein. The agency alleges the data is held by Facebook for two years, and wants website owners in the state to remove links to Facebook by the end of next month or possibly face a fine."
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