Today, a year-old roadway. The University of Houston’s College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them. W e say so much about Roman roads; we tend to forget there was ever anything before them. So let’s check out a strange road, far older. It’s in southwest England, between Exeter and Bristol, and was built four millennia before the Romans occupied that region. It came to light in Raymond Sweet was cleaning drainage ditches in a peat bog when he struck a wooden plank deep in the peat. The wrong thing in the wrong place!
Long-Awaited Update Arrives for Radiocarbon Dating
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Presents seventeen articles that were originally published in “Scientific American” dating from to
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Scientific American archives
These days hardly a week goes by without important discoveries concerning the history of life on Earth making headlines. Indeed, just last month researchers described a fossil that pushes the origins of key mammal features back some 45 million years. And last week scientists announced that new dates for an extinction event that claimed most of Australia’s large animals show that humans, not the climate, wiped them out.
Although visual inspection of the rocks, fossils and archaeological remains used to reconstruct our planet’s past provides critical information, only by ascertaining their ages can researchers put this data into a meaningful context. The first step toward accurately measuring geologic time came at the turn of the 20th century, when French physicist Henry Becquerel discovered the natural radioactive decay of uranium.
A Good Life for All – by Federica Fragapane for Scientific American on Behance. Find this Pin and more on Pets In Need by Sarah Campbell. Tags. Dating Tips.
Online dating might give you something, but it’s probably not a soul mate. But now a team of psychologists from five universities has performed a systematic review. Their report is in the journal Psychological Science in the Public Interest. The existing “matching algorithms” miss key variables for long-term love.
They necessarily make matches before the parties meet. Data about characteristics like personality and attitudes cannot accurately predict how that real life interaction will function. The scientists also note that online profile photos are poor proxies for the chemistry sparked by meeting in the flesh. Which leads to a lot of disappointing coffee dates.
The Scientific Flaws of Online Dating Sites
Anxiety disorders are the most common psychological disorder in the US, affecting 18 percent of the adult population. Social anxiety disorder SAD is the third-most-common psychological disorder, affecting 15 million men and women in the US. In this way, dating only adds fuel to the anxiety fire.
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Both men and women tended to pursue mates just 25 percent more desirable than themselves — suggesting they are “optimistic realists. Dating apps like Bumble and Tinder can help singles couple up. But online dating is also great for scientists. Bruch and her colleague Mark Newman studied who swapped messages with whom on a popular online dating platform in the month of January They categorized users by desirability using PageRank, one of the algorithms behind search technology. Essentially, if you receive a dozen messages from desirable users, you must be more desirable than someone who receives the same number of messages from average users.
The Dating Game
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Love in the Time of Science. What we’re learning about the rules of attraction, from online dating to maintaing a healthy marriage. February 1.
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The Science of Online Dating
Long hours and many glasses of wine were consumed trying to develop the perfect strategy to court this new woman, and this most saccharine of holidays was proving to be an obstacle. Should I be assertive and make plans with her for the night? Should I assume the contrary? Would presents be involved? If so, of what sort?
Social anxiety disorder (SAD) is the third-most-common psychological disorder, affecting 15 million men and women in the US. The DSM
Many famous scientists, including Albert Einstein , have contributed articles to it. It is the oldest continuously published monthly magazine in the United States though it only became monthly in Scientific American was founded by inventor and publisher Rufus M. Porter in  as a four-page weekly newspaper. Throughout its early years, much emphasis was placed on reports of what was going on at the U.
How Do Scientists Determine the Ages of Human Ancestors, Fossilized Dinosaurs and Other Organisms?
Got a minute? Some of these evidence-based tactics are obvious. Post an attractive profile pic. Be nice.
Leading science journalists provide a weekly one-minute commentary on the latest weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American. Up Your Online Dating Game with Evidence-Based Strategies.
You may have seen the Parks and Recreation episode where Tom Haverford makes 26 different online dating profiles to increase his odds of matching with every woman possible after his nerd profile matched with his boss Leslie. You may also have watched someone swipe right on every single Tinder option until they run out of every candidate within miles or make joke profiles just for a laugh.
Preventing these types of misuse and play is a big job for online dating companies. Identifying problems and deciding how to fix them is crucial for users looking for love, but now it’s good for business, too. Match alone has 2. Even Tinder, heralded as more of a game than an actual dating service by many Millennials, will soon start charging for a premium edition to get a bigger piece of the online market.
People once looked down on online dating, but now it is widely accepted and continues to grow in popularity as new mobile devices provide additional platforms. One in 10 Americans has used an online dating site or app, according to a report from the Pew Research Center, and 59 percent think they’re a good way to meet people. So how do these companies keep their products running to find you love?
Love in the Time of Science
Every day, millions of single adults, worldwide, visit an online dating site. Many are lucky, finding life-long love or at least some exciting escapades. Others are not so lucky. The industry—eHarmony, Match, OkCupid, and a thousand other online dating sites—wants singles and the general public to believe that seeking a partner through their site is not just an alternative way to traditional venues for finding a partner, but a superior way.
Scientific American is the essential guide to the most awe-inspiring Experts explain how radiometric dating allows them to reconstruct ancient.
In case you didn’t already know this, your brain on love is crazy. If seeing the one you love makes your heart skip a beat, should you see a cardiologist? The popular idea that women should try to conform or be submissive around men is outdated. The same technological advances that shrank telephones miniaturized heart monitors, with far-reaching implications for heart health.
People all over the world rank creativity as a highly desirable quality in a partner, and people who are creative across a variety of fields report more sexual partners similar results have been found in specific fields such as visual art, music, and humor We’re asking for your help again this year to find out more about the challenge that couples face when they both seek good jobs in the same city. Scientists believe that idealizing one’s partner can work as a self-fulfilling prophecy, where illusion eventually becomes reality.
That is to say, people can help to create the partners they wish they had, by exaggerating their virtues and minimizing their faults in their own minds How online dating sites and apps hone their software based on user behavior—and misbehavior—to find your true romance.
On the Atlantic coast of the U. In Morocco, paleontologists excavated the fossils of a dinosaur that roamed Earth million years ago. How did the researchers determine these ages? When examining remnants from the past, experts use radiometric dating, a versatile technique that involves counting radioactive atoms of certain elements that are still present in a sample.
Experts explain how radiometric dating allows them to reconstruct ancient time lines (By.
Every publication makes mistakes. Great publications learn from those mistakes, and the best publications also learn from the mistakes of others. So imagine my surprise at seeing two legendary publications make compounding mistakes by taking serious missteps with their communities. I’m talking about Popular Science and Scientific American , two of the oldest and most revered publications for the popularization and support of the scientific enterprise.
Both publications will easily survive these missteps, but they are leaders in the field, and those who follow their recent moves will be led astray. The network’s bloggers are paid to write for SciAm , and until this weekend, most of them thought they understood the rules of the quasi-independent relationship they had with the publisher: share their love of science, make a little money, and be part of a real community. Danielle Lee, and so far the publication has failed to explain its actions in any believable way.
For those of you not familiar with the blog network, it features routine science content as well as posts about being a scientist generally including a celebration of things that scientists geek out over, etc. An editor from Biology-Online liked Dr.