The US president has claimed the social media platform is "interfering in the 2020 presidential election" and "completely stifling FREE SPEECH" after it added a warning to two of his tweets on Tuesday.

Chemically, europium’s reactions are similar to calcium. It is used in some superconductor alloys and in television screens, where it produces the red color.

Europium is used in the printing of euro banknotes. It glows red under UV light, and forgeries can be detected by the lack of this red glow.

In 1901, Eugène-Anatole Demarçay carried out a painstaking sequence of crystallisations of samarium magnesium nitrate, and separated yet another new element: europium.

Low-energy light bulbs contain a little europium to give a more natural light, by balancing the blue (cold) light with a little red (warm) light.

A soft, silvery metal that tarnishes quickly and reacts with water.

White phosphorus is a waxy, transparent solid. Its melting point is 44.1°C (111°F) and its boiling point is 280°C (536°F). It has a density of 1.88 grams per cubic centimeter. If kept in a vacuum, it sublimes if exposed to light.

somewhere at the interfaces between the solder balls and the nickel-phosphorous pad. Solders are ductile tin-based materials, but during soldering they chemically react with the solid metals being soldered — such as the nickel-phosphorous alloy — to form intermetallic compounds.

Alloys[edit] Antimony forms a highly useful alloy with lead, increasing its hardness and mechanical strength. For most applications involving lead, varying amounts of antimony are used as alloying metal. In lead–acid batteries, this addition improves plate strength and charging characteristics.[49][59] For sailboats, lead keels are used as counterweights, ranging from 600 lbs to over 8000 lbs; to improve hardness and tensile strength of the lead keel, antimony is mixed with lead between 2% and 5% by volume. Antimony is used in antifriction alloys (such as Babbitt metal),[60] in bullets and lead shot, electrical cable sheathing, type metal (for example, for linotype printing machines[61]), solder (some "lead-free" solders contain 5% Sb),[62] in pewter,[63] and in hardening alloys with low tin content in the manufacturing of organ pipes. Other applications[edit] Three other applications consume nearly all the rest of the world's supply.[48] One application is as a stabilizer and catalyst for the production of polyethylene terephthalate.[48] Another is as a fining agent to remove microscopic bubbles in glass, mostly for TV screens;[64] antimony ions interact with oxygen, suppressing the tendency of the latter to form bubbles.[65] The third application is pigments.[48] Antimony is increasingly being used in semiconductors as a dopant in n-type silicon wafers[66] for diodes, infrared detectors, and Hall-effect devices. In the 1950s, the emitters and collectors of n-p-n alloy junction transistors were doped with tiny beads of a lead-antimony alloy.[67] Indium antimonide is used as a material for mid-infrared detectors.[68][69][70]

this will eventually lead to increasing concentrations in humans, animals and soil particles.

Lead isotopes are the end products of each of the three series of naturally occurring radioactive elements.

Crushed minerals are extracted with hydrochloric acid or sulfuric acid, which converts the insoluble oxides into soluble chlorides or sulfates. The acidic filtrates are partially neutralized with caustic soda to pH 3–4. Thorium precipitates as its hydroxide, and is then removed. The remaining solution is treated with ammonium oxalate to convert rare earths into their insoluble oxalates. The oxalates are converted to oxides by heating. The oxides are dissolved in nitric acid that excludes one of the main components, cerium, whose oxide is insoluble in HNO3. The solution is treated with magnesium nitrate to produce a crystallized mixture of double salts of gadolinium, samarium and europium. The salts are separated by ion exchange chromatography. The rare-earth ions are then selectively washed out by a suitable complexing agent.[

Most of the antimony mined each year comes from China, which supplies over three-quarters of the world’s total. The remainder is from Russia, South Africa, Tajikistan, Bolivia, and a few other countries, including the United States. Some antimony is produced as a by-product of smelting ores of other metals, mainly gold, copper and silver, in countries such as the United States, Canada, and Australia.

Antimony is rarely found in its native (as an element) state. Instead, it usually occurs as a compound. The most common minerals of antimony are stibnite, tetrahedrite, bournonite, boulangerite, and jamesonite.

Antimony is a moderately active element. It does not combine with oxygen in the air at room temperature. It also does not react with cold water or with most cold acids. It does dissolve in some hot acids, however, and in aqua regia. Aqua regia is a mixture of hydrochloric and nitric acids. It often reacts with materials that do not react with either acid separately.

Antimony is a silvery-white, shiny element that looks like a metal. It has a scaly surface and is hard and brittle like a non-metal. It can also be prepared as a black powder with a shiny brilliance to it. The melting point of antimony is 630°C (1,170°F) and its boiling point is 1,635°C (2,980°F). It is a relatively soft material that can be scratched by glass. Its density is 6.68 grams per cubic centimeter.

Occupational exposure may cause respiratory irritation, pneumoconiosis, antimony spots on the skin and gastrointestinal symptoms. In addition antimony trioxide is possibly carcinogenic to humans.

Antimony is used in the electronics industry to make some semiconductor devices, such as infrared detectors and diodes. It is alloyed with lead or other metals to improve their hardness and strength. A lead-antimony alloy is used in batteries. Other uses of antimony alloys include type metal (in printing presses), bullets and cable sheathing. Antimony compounds are used to make flame-retardant materials, paints, enamels, glass and pottery.

Europium is mined in China and Russia in total quantity about 400 tones a year. 

europium are crucial to your iPhone’s function – they’re used in the phone’s battery, as well as to help give the display screen colour and make the phone vibrate when you get a text,

Lanthanum mainly is obtained from lanthanum-rich monazite and bastnasite. Other lanthanum-bearing minerals include allanite and cerite. It is mined in the USA, China, Russia, Australia, and India.

a relatively poor conductor of electricity

Bauxite is the main source of the rare metal gallium

Drift mining utilizes horizontal access tunnels, slope mining uses diagonally sloping access shafts, and shaft mining utilizes vertical access shafts. Mining in hard and soft rock formations require different techniques.

Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices.

A Timestamp parameter name, which is simply an identifier to access the trigger in code. A Schedule, which is a CRON expression that sets the interval for the timer.

authorization level. By default, it's set to "Function", which requires a function-specific API key, but it can also be set to "Admin" to use a global "master" key, or "Anonymous" to indicate that no key is required. You can also change the authorization level through the function properties after creation. Since we specified "Function" when we created this function, we will need to supply the key when we send the HTTP request. You can send it as a query string parameter named code, or as an HTTP header (preferred) named x-functions-key.

By default, functions have a timeout of 5 minutes. This timeout is configurable to a maximum of 10 minutes. If your function requires more than 10 minutes to execute, you can host it on a VM. Additionally, if your service is initiated through an HTTP request and you expect that value as an HTTP response, the timeout is further restricted to 2.5 minutes. Finally, there's also an option called Durable Functions that allows you to orchestrate the executions of multiple functions without any timeout.

Social change hardly requires such self-flagellation by the ruling class. Similarly, black America needs no grand, magic End of Days in order to succeed. A compact program of on-the-ground policy changes could do vastly more than articulate yearnings for a hypothetical psychological revolution among whites that no one seriously imagines could ever happen in life as we know it.

For the uninitiated, Granny Smith was Maria Ann Smith, a resident of the area who in 1868 "accidentally" grew the first batch of green apples that now bear her name.

xylem parenchyma

Gymnosperms

ginkgos

plants have tissues that conduct food and water

oxygen from photosynthesis

the government reported the discovery of large gold deposits in Lege Dimbi, also in Sidamo.

Developing economies’ copper demand has steadily grown over the last decades, fueling economic and social improvement. By 2011, China already represented 40% of the demand.

Codelco is a state-owned Chilean mining company and the world’s largest copper producer. Based on their annual report and USGS statistics, they produced ~10% of the world’s copper in 2015 and own 8% of global reserves. They are also a large producer of greenhouse gas emissions. Last year, Codelco produced 3,2 t CO2e/millions tmf from both indirect and direct effects, and in 2011 it consumed 12% of the total national electricity supply.

Copper is a key driver of growth and economic wealth for Chile.

Shaida’s mineralisation has been described as a porphyry copper deposit.

Neodymium is chiefly obtained from monazite and bastnasite, where it occurs as an impurity. It is mined in the USA, China, Russia, Australia, and India.

The Neodymium metal element is initially separated from refined Rare Earth oxides in an electrolytic furnace. The "Rare Earth" elements are lanthanoids (also called lanthanides) and the term arises from the uncommon oxide minerals used to isolate the elements

Although few in number, the multinational mining companies that are earning billion-dollar profits in Zambia have had a massive impact on its environment and people.

The metal is a solid material and metallic gray in color. Furthermore, the metal possess high melting and boiling points. At standard temperature and pressure, cobalt is not readily oxidized, which means it does not easily lose electrons from its surface.

cobalt can be found among the d-block elements, transition metals. It has the chemical abbreviation Co and atomic number 27.

Monseigneur de Hemptinne watched Yeke people working at Dikuluwe as late as 1924. They worked in the dry season and stopped when the first rains arrived. The mining camp was near a stream where millet could be planted. Women and children collected malachite from the surface, while men used iron picks to excavate pits and shafts, using fire to crack the rocks when needed. The mines were between 10 metres (33 ft) and 15 metres (49 ft) deep with galleries up to 20 metres (66 ft) long. The ore would be sorted and then taken to a nearby stream for concentration before being smelted

The Katanga, or Shaba, copperbelt in the DRC is a belt about 70 kilometres (43 mi) wide and 250 kilometres (160 mi) long

Xiamen Tungsten and Xiamen Sanhong Molybdenum would invest more than 2 billion yuan (US$314.13 million) in the surveying and subsequent exploitation of the tungsten ore mine.

The proved reserve of the mine has exceeded Jiangxi's total amount of available tungsten reserves, and has a potential economic value of more than 300 billion yuan (US$47.13 billion).

Scott's

When we burn these fossil fuels, the carbon combines with oxygen to make carbon dioxide. This extra carbon dioxide (and other GHGs like methane) traps more and more heat in our atmosphere.

Scientists think that the things people do that send greenhouse gases into the air are making our planet warmer.

Sunlight enters the Earth's atmosphere, passing through the blanket of greenhouse gases

rise in temperature

students don’t need to learn skepticism as much as they need to learn when to trust.

The recent claim by former France president Francois Hollande that it was the Indian Government which proposed the name of Anil Ambani-led Reliance Defence in the Rafale deal

Instead, I would encourage the social platforms to include prominent features for filtering and flagging. They should work with journalists and social psychologists to invent a new visual grammar so that when content is fact-checked, debunked, corrected, or verified, those processes are transparent and available to anyone seeking to understand more about the origins of a story.

The Digipo toolkit

the event in Miami on Inauguration Day (site:www.sourcewatch.com OR site:www.factcheck.org OR site:hoax-slayer.com OR site:www.truthorfiction.com OR site:opensecrets.org OR site:www.politifact.com OR site:snopes.com OR site:www.washingtonpost.com/news/fact-checker/ OR site:digipo.io)

Biohackers will soon be able to forgo these companies altogether with an all-in-one desktop genome printer: a device much like an inkjet printer that employs the letters AGTC — genetic base pairs — instead of the color model CMYK.A similar device already exists for institutional labs, called BioXp 3200, which sells for about $65,000. But at-home biohackers can start with DNA Playground from Amino Labs, an Easy Bake genetic oven that costs less than an iPad, or The Odin’s Crispr gene-editing kit for $159.

US slaps 'America First' tariffs on washing machines and solar panels

Four Moves Adventures in fact-checking for students

The habit is simple. When you feel strong emotion — happiness, anger, pride, vindication — and that emotion pushes you to share a “fact” with others, STOP. Above all, it’s these things that you must fact-check. Why? Because you’re already likely to check things you know are important to get right, and you’re predisposed to analyze things that put you an intellectual frame of mind. But things that make you angry or overjoyed, well… our record as humans are not good with these things. As an example, we might cite this tweet which recently crossed my Twitter feed: You don’t need to know that much of the background here to see the emotionally charged nature of this. President Trump had insulted Chuck Schumer, a Democratic Senator from New York, saying tears that Schumer shed during a statement about refugees were “fake tears”.  This tweet reminds us that that Senator Schumer’s great grandmother died at the hands of the Nazis, which could explain Schumer’s emotional connection to the issue of refugees. Or does it? Do we actually know that Schumer’s great-grandmother died at the hands of the Nazis? And if we are not sure this is true, should we really be retweeting it?

Check for previous work: Look around to see if someone else has already fact-checked the claim or provided a synthesis of research. Go upstream to the source: Go “upstream” to the source of the claim. Most web content is not original. Get to the original source to understand the trustworthiness of the information. Read laterally: Read laterally.[1] Once you get to the source of a claim, read what other people say about the source (publication, author, etc.). The truth is in the network. Circle back: If you get lost, or hit dead ends, or find yourself going down an increasingly confusing rabbit hole, back up and start over knowing what you know now. You’re likely to take a more informed path with different search terms and better decisions.

‘Umar Mukhtar who refused to kill Italian POW’s declaring to his men, “They are not our teachers.”

designed to help students fact-check and trace the circulation of online information—helps to answer both of these questions.

The latest figures by the Duke Reporters' Lab indicate there are 114 dedicated fact-checking teams in 47 countries.

How to make vetting information easier for readers

Fact-Checking

The paper is launching “Decodex”: three fact-checking products powered by a database of 600 websites deemed unreliable as compiled by Le Monde’s fact-checking unit, Les Décodeurs over the last year

One way of tackling the issue is by using First Draft’s platform called Check, a live, open-source site where organizations can add any disputed content, whether it’s a video, image or fake-news site, and the members will assign a verifiable status.

We will continue to work with Tapper and NBCUniversal Owned Television Stations in 2017, which promises to be a busy year as the Republican president and Congress look to make major changes in U.S. policy on climate change, fracking, renewable energy and other issues that SciCheck has been following for over two years.

Fact-based journalism now competes with false information for our attention while our cities and citizens become both more connected by technology and more divided by ideology and income. The values reflected in lines of code, whether it be at the ATM, when we search on internet or drive a car, are already affecting what we think, what we do and what information we share with those around us.

Muhammad Ali (1942-2016) was the only professional boxer to win the heavyweight championship three times. With his outspoken political and religious views, he provided leadership and inspiration for African American men and women and Muslims around the world.

In other words, Hillary Clinton herself has known for at least a year that her campaign and her entire party systematically incite violence at Trump rallies. This is hard evidence of direct collaboration between the DNC and the Hillary/Kaine campaign to terrorize every Trump or Pence event with paid, trained, and centrally organized agitators. Many of these agitators were homeless and/or mentally ill persons, as well as “rock ‘n’ roll” DNC union workers. Moreover, coordinating all these thugs involved daily calls to Robbie Mook and Hillary Clinton herself. This Bolshevik/Brownshirt “birddogging” campaign is way bigger than online “troll” tactics by the Correct The Record Super PAC. This campaign literally amounts to a paid, mobile army of about 500 agitators that can be anywhere in the USA as needed.

Official records reveal Bob Creamer, the man exposed as being behind a tactic called “bird-dogging” in which homeless people, the elderly, and mentally ill individuals are paid to start violence at Trump rallies, has been to the White House many times since 2009.

Democrats have used trained provocateurs to instigate violence at Republican events nationwide throughout the 2016 election cycle, including at several Donald Trump rallies, using a tactic called “bird-dogging,”

In turn, the consultants are working with Democratic Super PACs and other groups to give maximum media exposure to the “bird dogging” violence, which they admit targets the elderly and disabled for maximum “shock value.”

Evidence is emerging that Team Clinton (which includes Podesta) knows its own operatives stirred the violence and the connection is “bird dogging.”

Wikileaks emails confirm that Dems have been "Bird Dogging" since 2008 paying people to organize violence

Democrats have used trained provocateurs to instigate violence at Republican events nationwide throughout the 2016 election cycle, including at several Donald Trump rallies, using a tactic called “bird-dogging,” according to a new video investigation released Monday by James O’Keefe’s Project Veritas.

Included in the undercover video is evidence of dirty tricks including what is known as "birddogging", or infiltrating Trump campaign events in order to incite anarchy and violence.

A new video by James O’Keefe reveals that Democrats have been using a tactic called “bird-dogging” to incite violence at rallies for Donald Trump.

BREAKING | Undercover Videos Show Clinton Campaign Directing Violence Through ‘Bird Dogging’

AGENTS working for Hillary Clinton’s presidential campaign paid professional agitators to incite violence at Donald Trump rallies, an explosive investigation has revealed.

A new expression has emerged: "Bird-dogging."Democrats have used trained provocateurs to instigate violence at Republican events nationwide throughout the 2016 election cycle, including at several Donald Trump rallies, using a tactic called “bird-dogging,” according to a new video investigation released Monday by James O’Keefe’s Project Veritas.

Democrats are using trained provocateurs to instigate violence

Violence at Trump Rallies Traced to Clinton Campaign and the DNC Through Process Called Birddogging

Democrats have used trained provocateurs to instigate violence at Republican events nationwide throughout the 2016 election cycle, including at several Donald Trump rallies, using a tactic called “bird-dogging,

Bird Dogging in essence is an old Saul ALinsky tactic on steroids. Send two paid actors to your opponent's rally to fight each other.

“Bird dogging” is a term used for what could best be classified as paid trolls used to incite and aggravate [violent] reactions from people attending political rallies.

College coaches are receiving multi-million dollar salaries in this modern NCAA system. University of Texas Head Football Coach Mack Brown’s salary totals over $5 million. In comparison, scholarships for the entire Texas football team total just over $3 million.

The three weeks of the NCAA Basketball Tournament, known as “March Madness,” generate over $770 million in TV rights deals alone.

College football and basketball generate more than the National Basketball Association, a total of more than $6 billion yearly.

Political office most often comes through compounding connections, where a more-than-middle-class family, influential college peers, work associates, and other social and religious communities all provide a network of resources that ensures the connected become the elected.

only 13 out of 783 members of Congress from 1999 to 2008 came from a “blue-collar” upbringing

The U.S. spends among the lowest on the poor per capita in the OECD, is the least effective at reducing poverty, and consequently, faces the largest poverty problem.

For the first time, more than half of the members of Congress are millionaires. Nearly 200 are multimillionaires. One hundred are worth more than $5 million; the top-10 deal in nine digits.

The report found Afghanistan and Pakistan to be the countries with fewer girls in school: 71 girls for every 100 boys in the former and 82 girls for every 100 boys in the latter.

truthiness

our economy is growing and creating jobs at the fastest pace since 1999.