rear fanged

We used the CDC's ranking of powerhouse foods, combined with how many nutrients (specifically potassium, fiber, protein, riboflavin, niacin, folate, B6, calcium, iron, zinc, and vitamins A, C, and B6) the greens pack per calorie, to determine the healthiest leafy greens you can choose.

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Following is the transcript of the video:

At the bottom we have a peppery-tasting arugula. While it's got Vitamins A and K, it's lacking a real nutrient punch.

Next is the perennial, burger-topping iceberg lettuce. You'll need 33 cups of the stuff to get your daily Vitamin C.

Our purple friend here is called radicchio. It's packed with more than 100% of the Vitamin K you need in a day. That’s the vitamin that promotes blood-clotting to help wounds heal.

Leaf lettuce is one the most nutritious in our lettuce family. Low in calories — high in vitamins A and K!

Endive is a bitter cousin of radicchio. Loaded with vitamins, it has 20% of the vitamin A you'll need. Vitamin A is an essential part of normal vision and a health immune system.

This pretty red and green leaf is chard. And it's a powerhouse. We're talking 300% of your daily vitamin K.

As well as magnesium to control blood pressure, glucose levels and to help muscle and nerve functions.

Coming near the top is — butter lettuce? It's also called Boston or Bibb lettuce. But unlike real butter, this is crammed with folate, iron, and potassium.

No Caesar salad is complete without romaine lettuce. The CDC calls this a top 10 powerhouse food. One cup has more than 80% of your vitamin A.

And at the very top we have a tie!

Popeye was right! Spinach is a phytonutrient-packed beast. Filled with both iron and potassium, it's got what you need to regulate blood pressure. And 402% of that Vitamin K.

Tied with spinach for first is Kale.One cup has all the Vitamin A, C, and K you need for the day.

On July 4, 1996, the Mars Pathfinder landed on Mars. Since then, NASA has had at least one robot studying the red planet, slowly uncovering its secrets.

Footage courtesy of NASA.

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Oceans cover 70% of our world and produce much of the oxygen we breathe. They provide food and jobs for people around globe. Yet they remain mostly mysterious. Only a fraction of these vast waters has been explored, and much of the underwater world is little understood.

Our maps of the sea floor are less detailed than our maps of the moon or Mars. There's only one operational permanent underwater research facility on the planet: the Aquarius Reef Base.

The lab is operated by Florida International University (FIU), though it's also used by NASA, the US Navy, and researchers and educators from around the globe.

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Japanese scientists are working hard to end humanity's longing fight against cancer. They've recently developed a new method for visualizing cancer which could help humans detect it at earlier stages.

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As NASA's Juno probe flew over Jupiter on July 10th, it snapped photographs of the planet's most iconic feature, the Great Red Spot. Following is a transcript of the video.

This is our closest look at Jupiter's iconic "Great Red Spot." These photographs were taken by NASA's Juno probe. It flew just 5,600 miles above the Great Red Spot — an enormous storm that's 1.3 times as wide as Earth. The storm is believed to have lasted for over 350 years.

How it persisted for that long is a mystery. But recent studies suggest the Great Red Spot is shrinking.

Scientists are studying the new photographs and data to better understand the large and long-lasting storm. Juno has been orbiting Jupiter for over a year. It's already sent back photos of Jupiter's rings and turbulent south pole. We can't wait to see what it sends back next!

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This powder helps make water cleaner, sticking to dirt and separating it from the water.

The product is called PolyGlu, which is a coagulant made from fermented soybeans. It mixes with dirt and pollutants, causing the dirt in the water to separate and sink.

One gram can treat up to 5 litres of polluted water, which could help improve water quality in third world countries. However, the water is still not fully purified and still requires further filtering to be safe to drink.

A self-contained tank is also available for use in emergencies when water supplies are disrupted.

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Archaeologists uncovered a massive 4th-century mosaic floor outside Nicosia, the capital of Cyprus. The mural is 36 feet long, 13 feet wide, and depicts a chariot race between four chariots.

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If you fly over certain parts of the US, you can look down and see massive "barcodes" spread throughout the land. Most of the barcodes are about 78' wide and 53' long, and their origin dates back to the late 1950s. Here's how they got there — and what they're used for.

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This machine can use almost any item to make 3D moulds.

The FormBox is a compact, home vacuum former that's small enough to sit on almost any table top. The machine uses your vacuum to create the moulds with sheets of thermo-plastic.

The FormBox retails for around £330.
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Is your iPhone on its last leg? There are a number of different websites and services out there that can help you sell or trade-in your old device. Here are some of the best options out there that will give you some extra cash to use towards an upgrade.

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The Onean Carver has a 440W rechargeable battery that can last for 20 minutes at top speed.

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Business Insider UK is the largest business news site for British readers and viewers in the UK. Our mission: to tell you all you need to know about the big world around you. The BI UK Video team focuses on business, technology, strategy, and culture with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.

Jodie Whittaker will be the new Doctor Who, the BBC has announced.

Whittaker is the first woman to play the time travelling character since the TV show launched on the BBC in 1963.

The actress is the 13th Doctor and will replace Peter Capaldi, who announced he was leaving the BBC sci-fi franchise in January.
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Business Insider UK is the largest business news site for British readers and viewers in the UK. Our mission: to tell you all you need to know about the big world around you. The BI UK Video team focuses on business, technology, strategy, and culture with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.

Token is a fledgling hardware company that just introduced its first product: the Token ring, an identity ring designed to store your credentials and secure your privacy with a fingerprint sensor. Using just the ring, you can pay for goods, unlock your car, or ride the subway.

The Token ring starts at $249 and is now available for presale. The first Token rings will start shipping in December.

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Anika Bhagavatula, a 14-year-old student from Wilton, Connecticut, is one of the national finalists in the Discovery Education 3M Young Scientist Challenge — a science and engineering competition for middle school students that earns the winner a $25,000 award as well as title of "America's Top Young Scientist."

Bhagavatula's project uses unconventional materials — what some people would consider garbage — to absorb oil and perhaps one day, become a new, better way to clean up oil spills.

We spoke with her about how she came up with this idea and how she conducted her research. The following is a transcript of the video.

The reason why I wanted to pinpoint oil spills was because there has been a lot of talk about the Dakota pipeline. And the reason why people don't want this is because oil spills are a huge issue which can occur, obviously, from pipelines. And these oil spills can contaminate drinking-water sources and harm wildlife.

Hi, my name is Anika Bhagavatula, and I am 14 years old, and I am in eighth grade.

And so I wanted to find a natural sorbent which could clean up these oil spills and would replace harmful remediation solutions, which, while effective, can damage the environment. Right now, this is the sorbent that I use to clean up oil from oil spills.

So I wanted to focus on using the parts of fruit or natural materials that are typically thrown away. I tested different types of sorbent materials — banana peels, pomegranate husks, and orange peels — and I found that pomegranate husks and orange peels were the most effective.

So I first tested the amount of time it took to remove the oil from the water. Then I wanted to find the optimal weights of the sorbents.

I also wanted to find the optimal mix, since pomegranate husks worked better in freshwater and orange peels worked better in salt water. Then I tested the sorbent in motor oil, and I found that it was very effective, absorbing two to three times its own weight.

Depending on the size of the oil spill, different types of different sizes of sorbents can be used, and maybe they should be targeted for more pipeline spills, which are smaller.

And since this is adsorption — so what that means is the oil is coated on the outside of the peels — it can be assumed that with high-pressure compression, oil can be extracted from the sorbent, and then it can be reused since the composition hasn't been changed.

The next step that I would like to do with my mentor is to find a biodegradable material to put the filling or put the sorbent in so that the whole product would be biodegradable and can be used for oil spills as a natural material.

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One of the largest icebergs ever recorded has broken free of Antarctica. A crack in an Antarctica's Larsen C ice shelf is responsible for calving the colossal new iceberg, which is roughly the area of Delaware state and the volume of Lake Michigan.

Researchers noticed the distinctive rift in Antarctica's ice in 2010, which has grown rapidly since 2016. The iceberg calved between July 10 and July 12, researchers said.

"Breaking news! The iceberg has fully detached from Larsen C - more details to follow soon," Martin O'Leary a glaciologist at Swansea University, wrote in a tweet early Wednesday morning for Project MIDAS.

A NASA Earth-observing satellite called MODIS was among the first to photograph the colossal ice block freed of Antarctica's grasp. It appears the iceberg has largely stayed intact.

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