The Real Pocahontas

 

Pocahontas has been a legend of American culture for generations – the subject of romantic novels, documentaries, and Disney films. After so much fanfare, it can be difficult to separate the myth from the historic figure. Here, we’ll try to do that.

First of all, her name was not Pocahontas. Born in 1596, her real name was Amonute and sometimes Matoaka. Pocahontas was a nickname, which in Algonquin means “playful one” or “misbehaving child.”

Legend says Pocahontas fell in love with John Smith, an English settler at Jonestown who was captured by chief Powhatan her father. The two shared a secret love affair that they had to keep hidden from the Algonquins.

In actuality, there was probably little romance between the two. Pocahontas was twelve when she met John Smith and their only recorded interaction was a time when she helped Smith learn portions of the Algonquin language during his captivity.

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After his imprisonment, John Smith was sentenced to death. As the tribesmen placed his head on a stone for execution, Pocahontas intervened, pleading with her father to let her lover go.

In all likelihood, John Smith did not face execution that day. Algonquins often placed people’s heads on stones for religious rituals. It is not unlikely that John Smith was being anointed before his planned release later that day.

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Powhatan dispatched of John Smith and Pocahontas saw mournfully to her lovers’ departure – a bittersweet romance that gave her a new appreciation of how two peoples can live in harmony.

Records show that Pocahontas’ true love was actually John Rolfe, a man she married in 1614 after her own captivity among European colonists following the First Anglo-Powhatan War. Pocahontas converted to Christianity and was baptized with the name “Rebecca.” She lived among Europeans until her death on a ship bound for Virginia in 1617.

Science Source is a great source of Historic images that illuminate both the facts and legends of the past. Explore more of our images in the links above and for great history prints, mugs, and t-shirts check out our storefront below.

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Blackbeard and Swashbuckling Pirates

 

Piracy is criminal activity, such as robbery, violence, or kidnapping, on the high seas. Yet, we love pirates.

We dress-up like them, make kid's movies about them, and enjoy cartoons about them.

The history of piracy goes back to 1500 BC from the Phoenicians to the present time.

Early Pirates also include the Vikings who raided many coastal towns and cities.

When most people are talking about pirates, they refer to the golden age of swashbuckling pirates.

In the Caribbean, in the early 17th century, the English took over Tortuga. They invited pirates to attack their enemies, and they did.

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Well known pirates, also known as privateers, include Edward Teach aka Blackbeard, Barth Roberts, Captain Kidd, Calico Jack Rackham, Captain Samuel Bellamy, Hanry Morgan, and Anne Bonnie.

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Many people are not aware that the U.S. Constitution has a provision for the United States to hire privateers.

Vikings raided cities all along the coastlines for hundreds of years but the most popular and well-known pirates are from about 300 years ago. Think Pirates of the Caribbean.

The Spanish encouraged pirates to attack their enemies. These buccaneers grew so rich they took over the island of Tortuga.

This is the time and place that is heralded in motion pictures and children's books. There was a camaraderie or brotherhood amongst pirates.

By the mid 18th century, this had changed, and many pirate ships ran by enslaving their crews.

To this day, pirates ply the ocean around the world. The romance is gone, though. High powered assault rifles have replaced swords. But, the hunt for treasure and kidnapping remains.

History of Prosthetics: From Ancient Egypt to Today

 

Prosthetics originated in the Near East around 3000 BC, with the earliest evidence appearing in ancient Egypt and Iran. The first known example was a big toe on the foot of a mummy found in 2000 in the Egyptian necropolis near ancient Thebes.

In the 1st century AD, Pliny the Elder recorded the story of Roman general, Marcus Sergius, who lost his right hand in the Second Punic War and got an iron replacement so he could hold his shield in battle.

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Improvements in amputation surgery and prosthetic design came in France during the 1500s from Ambroise Paré. Among his inventions was a kneeling peg leg, which had an adjustable harness, a fixed foot position, and a locking function.

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Through the years Prosthetic devices have been an asset to people in the armed forces. Countless field workers who have lost limbs in battle have had their lives transformed by the benefits of prosthetic technology. The Iraq war led to rapid advancement and development in prosthetic technology and now over 1,000 Iraq war veterans use prosthetic limbs.

Today, prosthetics can be made by hand or with the help of computer programs that create designs and analyze the items using 2-D and 3-D graphics. Advancements in robotics continue to improve prosthetic items and in the future, it is not inconceivable that replacement limbs will be as effective as organic ones.

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The History of Christmas

As people put up Christmas trees and decorate their homes, it’s easy to believe these traditions have been around since the year one, but Christmas and the holidays surrounding December 25th have taken many forms.

The origin of Christmas comes from three sources: it is the date of the winter solstice on the Roman calendar, it is about nine months from the vernal equinox (March 25th) and it is the date set for the birth of Christ.

Before Christendom the Roman Empire celebrated Saturnalia, a holiday honoring the Roman god, Saturn, the farther of Jupiter. During Saturnalia social customs were flipped upside down. Slaves ate at their master’s tables, women flirted with men and gambling was permitted. Saturnalia also involved public banquets and gift giving, which may have influenced later Christian traditions. There were even reports of naked caroling!

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The Christmas tree has its origins in 16th century Germany. While writing a sermon at night in a starry evergreen forest, the Protestant Christian reformer, Martin Luther, is said to have added lighted candles to a tree and put it into his house. Other Protestant Germans brought similar trees into their homes and the tradition spread. By the second half of the 19th century, the tradition had moved beyond Germany, first among the upper classes and eventually into lower areas of society.

While you are making your shopping rounds this holiday season, attending religious services or making time to be with family, reflect on the long history behind the season. Be sure to also check out great holiday gifts below and click the links above to see more historical images of the origins of Christmas.

From all of us from Science Source Merry Christmas and Happy Holidays!

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Origins of Modern Chemistry

How did we get from discovering fire to using nanotubes in labs?

The concept of atoms was first conceived in ancient Greece by a group of philosophers known as the atomists. In 330 BC, Aristotle opposed this theory. He was a proponent of the elemental theory, positing that all matter was composed of the elements earth, fire, water, and air. He even added an element, aether (or ether).

The elemental theory continued into the middle ages through the study of alchemy. Alchemists added sulfur, salt, and mercury to the list.

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Finally, in 1661, Robert Boyle published the book "The Sceptical Chymist", presenting his hypothesis of particles in motion and asserting that only experiments using the "scientific method" could be considered true.

Another milestone in chemistry was the discovery of electrochemistry. Alessandro Volta invented the first battery in 1800, using piles of copper and zinc discs. They were separated by cloth soaked in brine. When wires were attached to the top and bottom, electricity flowed through the wires.

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Antoine-Laurent de Lavoisier established the Law of the Conservation of Mass, also called "Lavoisier's Law", in 1789. His book "Elementary Treatise of Chemistry" is considered the first modern chemistry textbook. It contained a list of elements, or substances that could not be broken down further, including oxygen, nitrogen, hydrogen, phosphorus, mercury, zinc, and sulfur.

Lavoisier, unfortunately, lost his head to the guillotine during the French Revolution, but not before beginning his own revolution in science and becoming the father of modern chemistry.

History of Flight: From Kites to Space Travel

There are over 100,000 airplane flights a day, with almost 10,000 planes in the air simultaneously. It's taken humanity thousands of years to get to this point, starting with the invention of the humble kite in China in 475 BC.

The popularity of kite flying in China began people thinking about making human flight a reality. Soaring through the air untethered to the ground. Before, it has been the realm of mythology, such as Icarus, Alexander the Great, and Pegasus.

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On the way, there were many failed attempts over the centuries. At first, many inventors tried to replicate the wings of birds, even using feathers or lightweight wood. But, a human's arm muscles are not like a bird's.

Leonardo DaVinci made over 100 drawings of his theories of flight and flying machines. None of which were built in his lifetime.

It took until 1783, Paris, France before man reached this goal. Jean-François Pilâtre de Rozier and François Laurent d'Arlandes flew in a balloon created by the Montgolfier brothers.

Balloon travel brought us blimps, zeppelins, and airships. Over time the hot air balloon was refined and morphed by inventors, eventually bringing us to gliders. This development brought us a big step closer to a true airplane. George Cayley designed version of a glider that use the movements of the human body to control it.

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Samuel Langley, who was the Smithsonian Institute Secretary came close to unmanned flight in 1891. He built a model called the Aerodrome, which was powered by a steam engine. It flew for 3/4 of a mile. But, when he scaled it up to fit a person, it never flew successfully. After one test flight over the Potomac River, a journalist said, " It slid into the water like a handful of mortar."

While Langley was concentrating on propulsion, the Wright Brothers, bicycle mechanics by trade, in Kitty Hawk, NC, were focus on balance. They did their research without the help of a large institution, looking into the history of flight so far, and building models and even a wind tunnel.

Finally, on December 17, 1903, Wilbur and Orville Wright successfully flew the first powered aircraft. Their plane flew 852 feet. In another 11 years, the first scheduled commercial flight took off, transporting people between St. Petersburg and Tampa, Florida.

Planes become critical during WWI. The Germans used airplanes such as the Fokker Eindecker as well as Zeppelins to drop bombs on the allies.

In 1927 Lindbergh completed the first solo nonstop flight across the Atlantic Ocean. Eventually, commercial air travel would become commonplace.

Today gigantic cargo planes with wingspans of 290 feet can carry 640 tons.

Humans are never satisfied, so we keep pushing flight further. First to land on the moon and who knows where we'll travel next.

Vaccines: How They Protect Us

Although vaccination has been a hot topic in recent news, the study of vaccination goes back to around 1,000 years ago. Early records of smallpox immunization, called variolation, can be dated back to 1000 CE in China.

Variolation was a practice that involved taking material (usually part of a scab) from a patient that was infected with smallpox and exposing a healthy individual to this material. The doctor would often insert the infected material underneath the healthy person’s skin to achieve proper exposure. The hope was that the healthy person would get sick, their immune system would successfully fight the virus, and they would then be immune to the disease once they recovered. Not surprisingly, some patients died from an intentional infection of smallpox, but the ones that did survive were indeed immune to future infections.

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Luckily, we have since discovered a less risky method of immunization, but the general concept is similar. The body is exposed to the germs of a virus to elicit an immune response, which is a fight from the immune system to attack the organisms, kill them, and protect the body from being infected. If the body is exposed later on to the same virus in its active form, the immune system recognizes it and knows how to fight it off. But instead of using full-force, potent forms of the virus, we now use killed or weakened germs from a virus to provoke an immune response.

Physicians use attenuated (weakened or altered) forms of the virus because they signal the immune system to learn how to fight the disease without hurting the body. The ‘germs’ they use in the vaccination are samples of microbes or proteins that make up the virus.

Through all of the research and discoveries surrounding vaccines, we’ve been able to prevent a long list of diseases, such as cervical cancer, measles, hepatitis B, whooping cough, pneumonia, mumps, and polio.

Recent outbreaks of measles have occurred in the US and Europe in insular communities where groups of people resist vaccination. The CDC confirms 880 cases of measles occurring across the US this year, the greatest number of cases reported since the disease was declared eliminated in 2000.

Historically, the link between outbreaks of diseases and a concentrated lack of vaccinations holds true. Both Britain and Japan developed anti-vaccination trends in the 1970s, mostly caused by skepticism about the whooping cough (pertussis) vaccine. The World Health Organization reports that 100,000 children were infected with whooping cough in Britain and 38 died. In Japan, the number of infected individuals went from 393 cases to 13,000 cases, and the number of deaths went from 0 to 41.

With such a long history, vaccines continue to shape the knowledge we have about our bodies, immune systems, and how easily viruses and bacteria can affect our health.

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NASA and the Space Age

In 1957, an amazing spectacle appeared in the North American night sky – Sputnik, the first satellite to enter Earth’s orbit. The USSR had successfully sent a rocket into outer space, thus beginning the space race, an event which would last a decade and challenge the best and brightest of two nations.

In response to Sputnik, President Dwight D. Eisenhower created NASA, the first American administration for space exploration in 1958. With Project Mercury, NASA attempted to make the first manned mission into space but failed to beat the Russians, who sent Yuri Gagarin into orbit in 1961. A month later Alan Shepard became the first American in space and John Glenn followed soon after, orbiting the Earth three times in 1962.

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In the Sixties, NASA entered a new era. With the cold war raging and the threat of nuclear armament on the horizon, President John F Kennedy vowed to redouble NASA’s efforts and put an American on the moon by the end of the decade. In 1965, NASA began the Spacelab project, sending the first space station into Earth’s orbit. Despite sustaining damage during take off, the station was repaired in space and orbited the Earth until 1979.

The success of Spacelab led to NASA’s famous Apollo missions to the moon. After many failed attempts, Apollo 8 became the first shuttle to circle the moon in 1968. The following year, the USSR accomplished its first moon tour, leaving the space race at a stalemate.

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With the cold war raging in the east, astronauts Buzz Aldrin and Neil Armstrong of Apollo 11 successfully landed on the moon in 1969. The mission effectively ended the space race and cemented America’s place as the world leader in space exploration. Buzz Aldrin and Neil Armstrong became national heroes and were awarded the Presidential Metal of Freedom later that year.

Since then, NASA has continued its exploration of space sending probes to every planet in our solar system, including the dwarf planet, Pluto. It also landed four rovers on Mars, the last of which, Curiosity, is still collecting data from its craters today.

The recent image of a black hole in the M87 galaxy is more proof of human potential in space exploration. For the Space Age to advance, we must continue NASA’s legacy into the future. For more astronomy images check out the gallery above, and for unique astronomy gifts check out our store front below.

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The Women of Coding

In 1833, Lady Ada Lovelace, the only legitimate daughter of Lord Byron, became the first computer programmer when she created a machine for computing called the Analytical Engine. Her partner, Charles Babbage, designed the hardware, while Lovelace focused on the machine’s inner workings or what we now call “software.” Bringing the machine to its absolute limit, Lovelace published the first computer algorithm in 1843.

Lovelace’s legacy would continue into the 20th century, as women entered the workforce. While men were busy fighting WWII, a group of female computer scientists, including Betty Holberton, Kay McNulty, Marlyn Wescoff, Ruth Lichterman, Fran Bilas and Betty Jean Jennings programmed the ENIAC, one of the first general purpose computers. Although they were called “subprofessionals” by their peers and “refrigerator girls” by historians, Hoberton and her team used ENIAC to make crucial calculations on the trajectory of ballistic missiles for the US and its allies.

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The military would give rise to another great coder when Grace Hopper, a professor and computer scientist, joined the navy reserve and developed one of the earliest programming languages, COBOL. Hopper went on to create the first compiler, a device for synthesizing written language into code. By the end of her career, she had risen to the rank of rear admiral and even got a US destroyer named after her.

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In the 1980’s women’s participation in coding suddenly dropped. While the reason is unknown, Sara Kiesler, a social scientist, believes the advent of personal computers was chiefly responsible. Kielfer argues that when computers entered the home, parents made them the domain of boys and not girls. The culture surrounding tech became male-dominated and many women decided to opt out of the field completely. Female participation in programming was cut in half, and today only 18 percent of computer science graduates are women.

If you have a daughter or niece this Women’s History Month, encourage their interest in computers! Tell them that a career in coding is a girl thing too and that they can make history!

Click the link above to see more great female programmers and check out our storefront for great science gifts.

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Alchemy and the Road to Science

Today alchemy conjures up images of boiling cauldrons and magic elixirs, but the past reveals its lasting impact on the foundation of science.

Alchemy began in ancient Egypt, sometime between the 4th and 3rd century BC, with the aim of transmuting base metals (i.e led) into noble metals, such as gold.

In the 8th century AD, Arab alchemists invented the first laboratories for transmutation, creating complex methods of classification and documentation. Jabir ibn Hayyan and Muhammad ibn Zakarīya Rāzi even made breakthroughs in chemistry, discovering sulfuric and hydrochloric acid.

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Islamic alchemy inspired the later European search for the philosopher’s stone, an object believed to turn base metals into gold and bestow its owner with eternal life. The investigation lasted hundreds of years and although unsuccessful, produced countless experiments and lengthy chronicles of their results.

The pursuit of the philosopher’s stone was echoed in China by the search for the elixir of immortality. Like the Europeans, the Chinese alchemists believed in the medicinal power of metals and used them in their potions. Famously, the Jiajing Emperor of the Ming Dynasty drank a fatal dosage of mercury, believing it was the famed elixir.

During the 17th century, Robert Boyle invented modern methods of chemical investigation. Boyle’s highly controlled experiments made alchemy appear blunt and archaic. Alchemy became associated with superstition and the occult and quickly fell out of favor.

Although it had a brief revival in the 18th century with the spiritualist movement, alchemy remained the fancy of counter culture.

While alchemy’s past may be meandering and at times ridiculous, its impact on science and the world that followed is undeniable. For more alchemy images click the links above and be sure to check out our storefront for great chemistry products!

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A Wizard of Oz Moment for Black and White Images

 In a Wizard of Oz moment, artists are bringing full color to black and white images, while chronicling the past in a never before seen way. 

Beyond their aesthetic appeal, colorized images play an important role in education.  The famous image of Pavlov with his dogs is recognizable to many but not everyone notices all the tools involved in his findings. Digital coloring highlights these areas, helping students understand how Pavlov made his important discoveries in psychology.

In scientific images, digital color can locate everything from stars to microbes in the grayscale of SEMs and old photos, making them perfect for textbooks and other publications.

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Colorized images also have a historic significance. Black and white photographs may depict an event in the past but fail to capture the full appearance of an era. Historians have recently discovered that many sculptures from ancient Greece were painted. Now artists can reintroduce this color, revealing the past in a more authentic way.

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As we move forward with technology and our understanding of science and history, colorized images are playing an important role in enhancing the accuracy and beauty of stock images. Explore more in the links above.

Animals Were Just as Cute Back Then

Do you remember the monkey chef on daytime TV, tea time with the family collie and the elephant conga line at the traveling circus?

Get reacquainted with Retro Animals! Revisit the show dogs of the golden era, the loyal companions of the boy scouts and the neighborhood heroes of the local fire department.

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Modern technology has brought full color to these classic images. Witness an art form in the making, as black and white photography and lithography enters the digital age. 

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Were the pets of the old days really this well-behaved? Maybe not. But the nostalgia's well worth it.