Ice-sheet dynamics Sampling the surface of Taku Glacier in Alaska. There is increasingly dense firn between surface snow and blue glacier ice. An ice core is a vertical column through a glacier, sampling the layers that formed through an annual cycle of snowfall and melt. At Summit Camp in Greenland, the depth is 77 m and the ice is years old; at Dome C in Antarctica the depth is 95 m and the age years. The bubbles disappear and the ice becomes more transparent. Ice is lost at the edges of the glacier to icebergs , or to summer melting, and the overall shape of the glacier does not change much with time. These can be located using maps of the flow lines. These include soot, ash, and other types of particle from forest fires and volcanoes ; isotopes such as beryllium created by cosmic rays ; micrometeorites ; and pollen. It can be up to about 20 m thick, and though it has scientific value for example, it may contain subglacial microbial populations ,  it often does not retain stratigraphic information.
The 16 social media apps everyone should have
By Aaron Smith and Maeve Duggan One in ten Americans have used an online dating site or mobile dating app themselves, and many people now know someone else who uses online dating or who has found a spouse or long-term partner via online dating. General public attitudes towards online dating have become much more positive in recent years, and social networking sites are now playing a prominent role when it comes to navigating and documenting romantic relationships.
Online dating is also relatively popular among the college-educated, as well as among urban and suburban residents. Attitudes towards online dating are becoming more positive over time Even today, online dating is not universally seen as a positive activity—a significant minority of the public views online dating skeptically. At the same time, public attitudes towards online dating have grown more positive in the last eight years:
The core is then bagged, often in polythene , and stored for shipment.
RuthAnne Shellabarger Aug 16, comments The growing popularity of social media networks and applications has had many positive and negative implications for society. Social media has revolutionized the way we view ourselves, the way we see others and the way we interact with the world around us. While social media has many positive implications, including promoting awareness of specific causes, advertising businesses and helping foster friendships between individuals who may have never met without social networking, the over-usage of social media networks can also lead to negative implications.
While there are countless exciting improvements in technology and social media have greatly increased communication across cultures and positively brought attention to events around the world, it is imperative that we examine the negative implications that social media usage has had on the human experience. The overuse of social media is a global problem impacting all generations, and research has shown that substantial internet usage can have a highly negative impact on our mental and emotional health.
As the popularity of social media sites continuously grows, networks such as Twitter, Facebook, and Instagram continue to evolve. Three positive implications of social media include advertising, networking, and self-expression. From an advertising perspective, social media offers a great outlet for charities, businesses, and individuals to promote themselves.
Social media can be used as an outlet for global organizations to bring awareness to the causes they support and spread positive news that traditional media often doesn’t cover. In addition to making advertisements more accessible through social media, these networks have helped foster relationships and connect people around the world. Social media also allows for self-expression and can serve as a creative outlet for individuals to express themselves, share their artwork and share their voice on specific topics.
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Whether Snapchat, LinkedIn, Facebook, or Twitter is your social media of choice, it’s easy to come off conceited, angry, or just plain shallow. Here’s how to stay in line. While sending those funny photos to your friends that disappear within five seconds is probably okay, psychologist Sarah Schewitz, PsyD, says that if you’re posting these me-and-only-me photos on Facebook or Twitter, you might give people the idea that you’re full of yourself. It’s perfectly appropriate for you to have a picture of you by yourself as your profile photo.
However, if every single picture you are posting on social media or even if more than half of the pictures you post are of you, by yourself, looking pretty or checking out your abs in the mirror, you are definitely going to come across as conceited,” she says. Show us that too! Because of this, commenting can be tricky, as you can inadvertently come across as snippy just by using a period instead of an exclamation mark.
Are you kind and positive or rude and demeaning when you comment? One way to change your social media tone is to say it out loud first, before you type it out and make it public, “I have seen a trend of people being much more cruel and rude over social media than they ever would be in person. This can give us a view of someone that is not actually accurate,” Schewitz notes. Here’s what you should never post about your relationship on social media.
Though it’s usually okay in a private account, if you’re posting very opinionated articles on LinkedIn, you may push away possible job opportunities. People can tell what you find entertaining and what you find frustrating,” Schewitz explains. These are the photos to never ever post online , for safety reasons.
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Many of the best social networking apps out there have been around for a while, but as smartphones get smarter, so do the apps, and you can now do more than ever. Facebook Messenger is becoming the one app to rule them all. Messenger can now send money, make video and phone calls over the internet, and send stickers and animated GIFs with ease. If the future is one app that does everything, Messenger is poised to be a big winner.
Free Timehop will make you feel nostalgic. It’s like getting a window into your past life on social media every day. Earlier this year, Timehop told Business Insider that the app could eventually show you more than posts on social media, like rides with Uber, the songs you listened to on Spotify, your heath tracker data, and even your text messages.
The end goal is to be come the ultimate digital archive of your life. Free Periscope is revolutionizing live broadcasts. Your friends on Periscope and Twitter will be notified to tune in, and viewers can interact with broadcasts by commenting and leaving virtual hearts. You can choose to save your broadcast for people to view on Periscope later, but every video shared on the service expires after 24 hours.
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Plenty of Fish
By Aaron Smith and Monica Anderson Digital technology and smartphones in particular have transformed many aspects of our society, including how people seek out and establish romantic relationships. Here are five facts about online dating: When we first studied online dating habits in , most Americans had little exposure to online dating or to the people who used it, and they tended to view it as a subpar way of meeting people.
Buried under the snow of following years, the coarse-grained hoar frost compresses into lighter layers than the winter snow.
Views and clues inside Detroit’s party scene Credit: Reich, event coordinator for the Detroit area Lock and Key events, will try to prove you wrong. Attendees will attempt to match the locks and keys. For every match you make, you will be entered to win a raffle prize which include cash, manicures, candles, comedy passes and complimentary admission to future Lock and Key events. We hope that in the future this can happen in Detroit too.
Guests will mingle until 9: