Frequently Asked Questions on Arctic sea ice

If you ever thought this would be something impossible or awkward, you’ve got good news coming. While there’s definitely some work involved, it’s much easier than most men think. I’ve been dating younger women throughout my late thirties and forties. By “younger” I mean age 18 to 23, though I’ve dated many women in their mid-twenties and older. I have done this easily and repeatedly, with very little trouble. Some of these younger women were flings. Some were long-lasting relationships. All of them have been an adventure. When I first tried doing this I thought it would be impossible.

Radiocarbon dating

In the sciences, it is important to distinguish between precision and accuracy. If we use the analogue of a clock we can investigate this further. Your wrist watch may measure time with a precision of one second. A stop watch may time your race with a precision of one hundredth of a second. However, if the clocks change and you forget to reset your wrist watch, then you have a very precise time but it is not very accurate — you will be an hour early or late for all of your meetings!

How men over 30 can date women age 18 to How men in their late 40s, 50s, or 60s can date women 20 – 30 years younger. How to overcome the “age difference” issue and other related objections.

The wide range of glacial types across the Antarctic Peninsula has resulted in a range of responses[2]. The response of land-terminating glaciers across the Antarctic Peninsula is particularly interesting, because land-terminating glaciers respond in a linear fashion to changes in temperature and precipitation. Land-terminating glaciers on James Ross Island and nearby land have been observed to be shrinking[ ], and this has resulted in several campaigns to monitor long-term glacier mass balance in the region[5, 6].

Studies of glaciers are limited to either a short temporal scale era of satellite observations or are limited to small numbers of glaciers field-based measurements. Aims and Objectives It is important to characterise the centennial-scale behaviour of small land-terminating glaciers in this region, in order to understand these short-term variations. Over a 7-week field season in January-March , Jonathan Carrivick, Bethan Davies and Neil Glasser investigated prominent moraines in front of small land-terminating glaciers.

Our objectives were, Holistic geological descriptions of the topography, sedimentology and geomorphology of the prominent ice-cored moraines; Interpretation of the character and behaviour of those glaciers while they were at this relatively advanced position, and; Quantification of the geometric changes to these glaciers during the Late Holocene. The Ulu Peninsula comprises large areas of Cretaceous sandstone and mudstone, overlain by multiple layers of basalt and hyaloclastite.

Radiocarbon dates on organic remains on James Ross Island suggest that the Ulu Peninsula became ice-free following the Last Glacial Maximum by around years ago, with a glacial readvance that finished around years ago. Ulu Peninsula has several small cirque glaciers with pronounced ice-cored moraines, which relate to a more recent glacier readvance.

What Is the Best Age Difference for Husband and Wife?

A theory that can explain this finding from an evolutionary perspective is the parasite-stress theory which explains that an increase of infectious disease can cause humans to evolve selectively according to these pressures. Evidence also shows that as disease risk gets higher, it puts a level of stress on mating selection and increases the use of polygamy. In regions such as Sub-Saharan Africa the use of polygyny is commonly practiced as a consequence of high sex-ratios more males born per females and passing on heterozygous diverse genetics from different females to offspring.

Another reason that polygynous communities have larger age-gaps between spouses is that intrasexual competition for females increases as fewer females remain on the marriage market with males having more than one wife each , therefore the competitive advantage values younger females due to their higher reproductive value. Smaller than average age-gaps[ edit ] Comparatively in Western societies such as the US and Europe, there is a trend of smaller age-gaps between spouses, reaching its peak average in Southern Europe of 3.

Using the same pathogen-stress model, there is a lower prevalence of disease in these economically developed areas, and therefore a reduced stress on reproduction for survival.

Hi there, and welcome to The Tao of Dating site! I’m Dr Ali Binazir, the author of The Tao of Dating books for both men and women, and I’ve got resources here for greater happiness and love in your life — articles, books, audiobooks, courses, videos and more. Mindfulness, the [ ].

Survey Results Hey there, ladies! Turns out that almost every woman has had some kind of experience with bad boys, not all of them healthy. Thanks for opening my eyes. Time to take out the trash! This post really hit me. He has commitment issues and will never really settle down with me. Your advice is apt. I am addicted and need to figure out what I want and move on.

What a classic post, Dr.

Dr. Ali Binazir, Happiness Engineer

The reduced sea area, and thus the increased distance to the coast, together with the declined sea surface temperature, led to intensified aridity on the land. The enhanced eolian processes related to the intensification of the winter monsoon caused an expansion of the loess deposition area reaching the southeastern part of China to the south of the Yangtze River and off the modern sea coast. Vegetation zones greatly shifted to the southeast. In north China, deserts and steppes were much more extensive than they are now and the modern areas of warm-temperate, broad-leaved forests were occupied by steppes or woodland.

In south China, the deciduous, broadleaved forests were developed in areas now covered by evergreen forests, and the monsoon rain forest completely disappeared.

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But is it culture, genetics or the environment that drives such a choice—and is there an optimal age difference? New research shows that, at least for the Sami people of preindustrial Finland, men should marry a woman almost 15 years their junior to maximize their chances of having the most offspring that survive.

Yet, only 10 percent of these marriages were between men and women with that optimal age difference. The span ranged from men marrying women as much as 20 years older to women marrying men as much as 25 years older; the average age difference between husband and wife was three years. Marriage customs or the availability of reindeer to support a new family the Sami people are reindeer herders might be the reason that more Sami marriages did not display the optimum age difference, Helle says.

Ultimately, it is the age at which the woman begins bearing children that is the biggest factor in survival, the paper in Biology Letters suggests:


Leibnitz reworked Descartes’s cosmogony. Protogea was published much later in An essay toward a Natural History of the Earth.

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Reference to a case where the given method did not work This is perhaps the most common objection of all. Creationists point to instances where a given method produced a result that is clearly wrong, and then argue that therefore all such dates may be ignored. Such an argument fails on two counts: First, an instance where a method fails to work does not imply that it does not ever work.

The question is not whether there are “undatable” objects, but rather whether or not all objects cannot be dated by a given method. The fact that one wristwatch has failed to keep time properly cannot be used as a justification for discarding all watches. How many creationists would see the same time on five different clocks and then feel free to ignore it? Yet, when five radiometric dating methods agree on the age of one of the Earth’s oldest rock formations Dalrymple , p.

The claim that the methods produce bad results essentially at random does not explain why these “bad results” are so consistently in line with mainstream science. Claims that the assumptions of a method may be violated Certain requirements are involved with all radiometric dating methods. These generally include constancy of decay rate and lack of contamination gain or loss of parent or daughter isotope.

Creationists often attack these requirements as “unjustified assumptions,” though they are really neither “unjustified” nor “assumptions” in most cases. Rates of radiometric decay the ones relevant to radiometric dating are thought to be based on rather fundamental properties of matter, such as the probability per unit time that a certain particle can “tunnel” out of the nucleus of the atom. The nucleus is well-insulated and therefore is relatively immune to larger-scale effects such as pressure or temperature.

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Accuracy of the EFW is reported to be best when examinations are performed within 7 days before delivery [38]. ACOG advises “An accurate diagnosis of macrosomia can be made only by weighing the newborn after delivery. J Matern Fetal Neonatal Med. Epub Sep Robert Peter J, et. Cochrane Database Syst Rev.

The generally accepted age for the Earth and the rest of the solar system is about billion years (plus or minus about 1%). This value is derived from several.

Africa Paleolithic The Paleolithic of Africa is characterized by a variety of stone-tool assemblages, some of which represent purely local developments while others are practically identical with materials from corresponding horizons in Europe. Geological investigations of the Late Cenozoic deposits of this continent indicate that, as the result of fluctuations in rainfall, the Pleistocene Epoch throughout most of Africa can be subdivided on the basis of a succession of pluvial and interpluvial stages.

The pluvials, known as Kageran, Kamasian, Kanjeran, and Gamblian, are believed to represent the tropical and subtropical equivalents of the four major glacial stages of the Northern Hemisphere, but this has not yet been proved. The archaeological succession is well established in certain areas, although not in the continent as a whole. North Africa In this area, very crudely worked pebble tools have been reported from one site in Algeria in direct association with a Lower Pleistocene Villafranchian mammalian assemblage.

Throughout Tunisia, Algeria, Morocco , and the Sahara region, Lower Paleolithic hand axes of both Abbevillian and Acheulean type, together with flake tools, have been found in great numbers. The geological evidence shows that the Sahara region was far less arid during Pleistocene times than it is at present. A specialized Middle Paleolithic development, known as the Aterian , occurred there; it is characterized by tanged points made on flakes and flake blades.

This was succeeded by two distinctive blade-tool complexes—the Capsian and Oranian —which are more or less contemporary. Their main development took place during the time span of the European Mesolithic. The Capsian sites are all inland, whereas the Oranian has a coastal distribution. Both are microlithic tool complexes that persisted after the introduction of Neolithic traits into the area.

The Age of the Earth

The thermoluminescence technique is the only physical means of determining the absolute age of pottery presently available. It is an absolute dating method, and does not depend on comparison with similar objects as does obsidian hydration dating, for example. Most mineral materials, including the constituents of pottery, have the property of thermoluminescence TL , where part of the energy from radioactive decay in and around the mineral is stored in the form of trapped electrons and later released as light upon strong heating as the electrons are detrapped and combine with lattice ions.

The results from the study therefore show that the mean preferred marriage age difference ( years averaging male and female preferred age) corresponds very .

Enjoy them while you have them. Of course, knowing when to experiment and when to fall back on the timeless still becomes more and more important as the young man ages; a college boy of 19 is far less likely to need a sharp-looking suit and the practice to wear it confidently than a young professional of This is good advice for all ages, but especially helpful for young men, whose wardrobes tend to be more varied. Play around a little. Varying the look from day to day keeps you from being pigeonholed.

Dress classic-sharp one day with a tucked-in dress shirt, slacks, and a dark blazer, then switch to bright corduroys and a graphic T-shirt under a zippered hoodie the next. Quite a bit, actually. Go ahead and invest a little extra to get a pair that fits well and is a nice, deep indigo rather than light blue. Try not to wear them all in the same outfit, but use them to liven up an otherwise-conservative outfit. Wearing trousers with belt loops and no belt just looks sloppy.

Precision and accuracy in glacial geology

Official definitions[ edit ] Old age comprises “the later part of life; the period of life after youth and middle age. Most developed-world countries have accepted the chronological age of 50 years as a definition of ‘elderly’ or older person. At the same time, the WHO recognized that the developing world often defines old age, not by years, but by new roles, loss of previous roles, or inability to make active contributions to society.

Being 60—65 years old is usually a requirement for becoming eligible for senior social programs. In developed countries, most people in their 60s and early 70s are still fit, active, and able to care for themselves.

A common rule of thumb, at least on the internet, is that it’s okay to be interested in someone “half your age plus seven” years. According to this rule, it would not be creepy for a 30 year old to date a 22 year-old, but an 18 year-old would be off-limits.

Can science prove the age of the earth? No scientific method can prove the age of the earth and the universe, and that includes the ones we have listed here. Further, it has to be assumed that the clock was never disturbed. There is no independent natural clock against which those assumptions can be tested. For example, the amount of cratering on the moon, based on currently observed cratering rates, would suggest that the moon is quite old.

However, to draw this conclusion we have to assume that the rate of cratering has been the same in the past as it is now. And there are now good reasons for thinking that it might have been quite intense in the past, in which case the craters do not indicate an old age at all see below. No scientific method can prove the age of the earth or the universe, and that includes the ones we have listed here.

Ages of millions of years are all calculated by assuming the rates of change of processes in the past were the same as we observe today—called the principle of uniformitarianism. If the age calculated from such assumptions disagrees with what they think the age should be, they conclude that their assumptions did not apply in this case, and adjust them accordingly. If the calculated result gives an acceptable age, the investigators publish it.

Examples of young ages listed here are also obtained by applying the same principle of uniformitarianism.

My Story: Big Age Gap Relationships