Michael from Muckrock sez, "Here's a science experiment that would catch the attention of high schoolers: Testing cash for cocaine traces in seven easy steps, courtesy of the Drug Enforcement Agency."
In addition to being a great way to instruct kids in proper titration technique, converting between various metric measurement units, and evaporating solvents, the DEA case is a great example in the need to exercise caution in examining noise in empirical evidence: The DEA lab ultimately advised scrapping money testing altogether since 30 percent of one sample study of "clean" money turned up a positive.
Is there a bump in your bill? Here's how the DEA tested money for cocaine — and why they stopped
Artists Jeff Louviere and Vanessa Brown explore cymatics, the study of wave phenomena and how they are represented visually. Using black-colored water, a laptop computer, and a modified guitar amp, they captured “portraits” of the 12 notes in the chromatic scale. From my sister-in-law Heather Sparks’s profile of their project in Nautilus: In each (“portrait”), […]
Yesterday’s science-by-press-release announcement that a research team had made a “breakthrough” in treating ALS thanks to funds raised in last year’s viral ice-bucket challenge turns out to be vaporware: the gene identified was already known to be implicated in ALS, but only affects 3% of cases, and the new refinement in the research suggests some […]
New research on trends in adult human height over the last century confirm that, no surprise, humans are getting taller overall due to better nutrition and disease control. However according to the health science group Non-Communicable Diseases Risk Factor Collaboration (NCD-RisC), the gain in adult height varies dramatically by country. From their paper, published in […]
Looks like all of your potential employers are hiring candidates with programming skills (which you don’t have). With all of the languages out there today, it’s tough to know where to start.With the Complete Front-End to Back-End Coding Bundle, you can beef your resume up in all the right places, no confusion necessary. This package of […]
Those of us who love music wish we could listen to it 24/7. But it’s impossible when we’re trying to converse with our friends, or when are swimming in the local pool.That is, until now. The KOAR Bone Conduction Bluetooth Headset, now 48% off, has changed the audio game.Made with lightweight titanium memory metal, this headset boasts patented bone conduction technology to transport sound […]
It’s one thing to enjoy dinner at home and a nice glass of Cabernet Sauvignon with your best friend, Netflix, but it’s another thing entirely to make that meal from scratch and get that wine delivered right to your doorstep.But what if we told you there’s a way to make this possible? To keep your social life, […]