Europe was the birthplace of mankind, not Africa, scientists find

With online dating rapidly becoming one of the most common ways couples meet, the industry has responded and developed a truly impressive menu of online dating options. Most of you are familiar with and probably use Match. These sites are useful due to their sheer size, which increases your options. However, these are general sites. There are also more specialized dating sites that cater to specific groups of people. These are referred to as niche sites. They have niche sites that cater to specific religions, specific ethnicities, and specific hobbies or lifestyle choices. And, they have niche sites that cater to Intellectual Badasses.

In the game of online dating, men and women try to level up, study finds

An essential piece of information in this research is the age of the fossils and artifacts. How do scientists determine their ages? Here are more details on a few of the methods used to date objects discussed in “The Great Human Migration” Smithsonian, July

Scientists Dating Forum (founded in ) is an independent association integrated by a team of many interdisiciplinary young and dynamic professionals from the .

Apparently, many people do — and now those lists are not so secret anymore. A series of studies on “relationship deal breakers,” published last year in the journal Personality and Social Psychology Bulletin, represents “the first systematic and comprehensive attempt to understand the traits that people avoid in their partners,” the team of social scientists behind the studies writes.

In one of those studies, the researchers asked a nationally representative sample of 5, single Americans to reveal which in a list of 17 things would be a “deal breaker” when considering a “committed relationship” with someone. The top three deal breakers for men and women were “disheveled or unclean appearance,” “lazy,” and “too needy. Respondents ranged in age from 21 to 76; older people tended to have more deal breakers than younger ones, and women tended to have more deal breakers than men.

Differences between the answers from men and women “were modest,” the researchers noted , “which may be unsurprising given that men and women are more alike than different. There are also likely many qualities people avoid that are not on the researchers’ list of This is an updated version of a story that originally appeared in October

The Horrors of Anglerfish Mating

Dead Scientists Died Robert Aranosia, age While driving south on I his pickup truck went off the freeway near a bridge over the Kawkawlin River.

News > Science > Archaeology Scientists discover ‘oldest footprints on Earth’ in southern China dating back million years. Experts believe tracks made by mystery animal are earliest ever uncovered.

In recent years, however, some scientists have suggested that the western part of the Grand Canyon was cut around 70 million years ago, during the age of the dinosaurs. Now, a new study argues that the answer is more complicated than you might think. Determining the precise geologic history of the Grand Canyon has not been an easy task over the years. Rivers carve out canyons through erosion, a process that erases the physical evidence of their work.

With no rock record left behind, scientists must look at the land formations that remain to reconstruct the history of such erosion. In recent years, sophisticated new techniques have allowed them to do this with greater accuracy than ever before. Through a process called thermochronology, scientists can analyze canyon rock samples by microscope in search of crystals known as apatite, which contain helium-producing uranium.

When the apatite is hotter than around degrees Fahrenheit 50 degrees Celsius , the helium escapes, but when the rocks cool—which happens when they are exposed to the surface by a river, for example—the helium remains trapped inside the crystals. By measuring the amount of helium in the apatite, then, scientists can estimate how long the rock has been exposed near the surface. In November , geologists Rebecca Flowers of the University of Colorado and Brian Wernicke of the California Institute of Technology used thermochronological data to back up their controversial challenge to the prevailing view that the Colorado River carved the Grand Canyon less than 6 million years ago.

Valentine’s Day dating tips from lovestruck scientists

How do scientists find the age of planets date samples or planetary time relative age and absolute age? We have rocks from the Moon brought back , meteorites, and rocks that we know came from Mars. We can then use radioactive age dating in order to date the ages of the surfaces when the rocks first formed, i.

A Radiometric Dating Resource List Tim Thompson has collected a large set of links to web pages that discuss radiometric dating techniques and the age of the earth controversy.

Wikimedia Commons When you think of an anglerfish, you probably think of something like the creature above: Lure bobbing from its head. The problem was that they were only seeing half the picture. The specimens that they were working with were all female, and they had no idea where the males were or what they looked like. Researchers sometimes found some other fish that seemed to be related based on their body structure, but they lacked the fearsome maw and lure typical of ceratioids and were much smaller—sometimes only as long as six or seven millimeters—and got placed into separate taxonomic groups.

In , Icelandic biologist Bjarni Saemundsson discovered a female ceratioid with two of these smaller fish attached to her belly by their snouts. He assumed it was a mother and her babies, but was puzzled by the arrangement. Regan also found a smaller fish attached to a female ceratioid. It was her mate. When ceratioid males go looking for love, they follow a species-specific pheromone to a female, who will often aid their search further by flashing her bioluminescent lure.

Once the male finds a suitable mate, he bites into her belly and latches on until his body fuses with hers. The two fish essentially become one. With his body attached to hers like this, the male doesn’t have to trouble himself with things like seeing or swimming or eating like a normal fish. Throughout the other suborders, there are males that are free-swimming their whole lives, that can hunt on their own and that only attach to the females temporarily to reproduce before moving along.

How Do Scientists Determine the Age of Dinosaur Bones?

Currently, most experts believe that our human lineage split from apes around seven million years ago in central Africa, where hominids remained for the next five million years before venturing further afield. But two fossils of an ape-like creature which had human-like teeth have been found in Bulgaria and Greece, dating to 7. To some extent this is a newly discovered missing link Professor Nikolai Spassov, Bulgarian Academy of Sciences At that time climate change had turned Eastern Europe into an open savannah which forced apes to find new food sources, sparking a shift towards bipedalism, the researchers believe.

He is a member of the tribe of hominins and the direct ancestor of homo.

Luminescence Dating: Scientists in North America first developed thermoluminescence dating of rock minerals in the s and s, and the University of Oxford, England first developed the thermoluminescence dating of fired ceramics in the s and the s and s scientists at Simon Frasier University, Canada, developed.

Also, the jet fuel burned off on impact. Engineering and material science is advanced enough such that a building can be designed to handle a fire. Buildings catch fire all of the time-google it. The Popular Mechanics article is bullshit. Steven Hager Well, this was believable until you slipped in that last one on steel beams. Yeah, most of the crazy conspiracy nonsense is obviously spread around as a counterintelligence op to sheep-dip all thought of conspiracy as crackpot, when, in fact, it happens to be the basis for most every criminal prosecution, as in RICO.

Oh, and the Mossad? They were watching everything unfold and taking video. They almost nuked South Carolina.

Chronological dating

A new study published in the upcoming issue of Psychological Science in the Public Interest is shedding light on the science – or lack thereof – behind online dating services. The psychological scientists who wrote the report hope to indentify how online dating might be hurting singles. Co-written by Eli J. Finkel Northwestern University , Paul W.

Dating for Scientists is part of the Online Connections dating network, which includes many other general dating sites. As a member of Dating for Scientists, your profile will automatically be shown on related general dating sites or to related users in the Online Connections network at no additional charge.

Herbchronology Dating methods in archaeology[ edit ] Same as geologists or paleontologists , archaeologists are also brought to determine the age of ancient materials, but in their case, the areas of their studies are restricted to the history of both ancient and recent humans. Thus, to be considered as archaeological, the remains, objects or artifacts to be dated must be related to human activity.

It is commonly assumed that if the remains or elements to be dated are older than the human species, the disciplines which study them are sciences such geology or paleontology, among some others. Nevertheless, the range of time within archaeological dating can be enormous compared to the average lifespan of a singular human being. As an example Pinnacle Point ‘s caves, in the southern coast of South Africa , provided evidence that marine resources shellfish have been regularly exploited by humans as of , years ago.

It was the case of an 18th-century sloop whose excavation was led in South Carolina United States in Dating material drawn from the archaeological record can be made by a direct study of an artifact , or may be deduced by association with materials found in the context the item is drawn from or inferred by its point of discovery in the sequence relative to datable contexts.

Dating is carried out mainly post excavation , but to support good practice, some preliminary dating work called ” spot dating ” is usually run in tandem with excavation. Dating is very important in archaeology for constructing models of the past, as it relies on the integrity of dateable objects and samples. Many disciplines of archaeological science are concerned with dating evidence, but in practice several different dating techniques must be applied in some circumstances, thus dating evidence for much of an archaeological sequence recorded during excavation requires matching information from known absolute or some associated steps, with a careful study of stratigraphic relationships.

In addition, because of its particular relation with past human presence or past human activity, archaeology uses almost all the dating methods that it shares with the other sciences, but with some particular variations, like the following: Written markers[ edit ] Epigraphy — analysis of inscriptions, via identifying graphemes, clarifying their meanings, classifying their uses according to dates and cultural contexts, and drawing conclusions about the writing and the writers.

Numismatics — many coins have the date of their production written on them or their use is specified in the historical record.

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