Bringing to Light, Creatures of Darkness

Danté Fenolio, Ph.D., has devoted his life to bringing rarely seen creatures to light through his beautiful and eerie photography.

Danté Fenolio Caving in China

He's brought us images from habitats without light: caves, the bottom of the ocean, and the canopies of the rainforest. Not interested in the typical, but seeking out underappreciated and rarely seen creatures to highlight the need for conservation of the world's biodiversity.

Danté Fenolio’s Photo Gallery

Science Source Images is proud to represent several exclusive photographs from his collection. Discover a Fangtooth from the Gulf of Mexico, a colony of Siphonophore, orange and red-colored Jellies, transparent Batfish, blind albino Salamanders. Creatures so unusual, they may not seem real, but they are part of the wonder of our planet.

Fenolio is not only a successful author, adventure photographer, but runs the Conservation and Research Department at the San Antonio Zoo. His many projects to save animals and their habitats span the globe. Along with China, Peru, Japan, and Chile he works in the United States. His efforts range from the Ozarks, Oklahoma to Georgia.

Bringing focus to blind cave fish, Japanese Giant Salamander and endangered Chilean amphibians.

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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Rising Sea Levels

One of the most significant challenges related to global climate change is rising sea levels. Since the beginning of the 20th-century, sea levels have gradually risen by 16 - 21 cm (6.3 - 8.3 in).

The rise in sea levels has also accelerated over time due to thermal expansion (the change in the volume and area of matter due to increased temperatures) and the melting of ice sheets and arctic glaciers.

Stock Image Gallery of Rising Sea Levels

Researchers have calculated that arctic sea ice has declined by 10% in the last 10 years. In addition to rising sea levels, this has altered the circulation of the Atlantic Ocean, destroying fisheries in northern countries and creating massive storms and hurricanes.

Coastlines around the world remain susceptible to flooding. Some at-risk coasts include the Miami shore, Rio de Janeiro, Osaka and Shanghai. The Egyptian city, Alexandria, faces a particular threat as much of its population exists in low lying coastal areas, which will likely be inundated within the next decade.

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Our best hope for limiting the increase in sea levels is to reduce our carbon footprint. Initiatives in renewable energy and efficient power are critical components in reaching our emission goals.

For images of climate science and rising sea levels, click the links above. For information on how you can help deduce our carbon emissions head to the Environmental Defense Fund. (www.edf.org)

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Plastic is Deadly

Young Northern Fur Seal tangled in a nylon rope and dragging nets, cables, and fishing wires, doomed to die of hunger.

While plastic items in our daily lives are designed for one-time use, they have a long life span, usually up to 1,000 years.

Plastic is also deadly. People consume thousands of plastic articles each year, which damage our health, especially our immune systems. Plastic particles are even in the air we breathe, floating in the remotest places from fields to mountains.

Stock Image of Plastic Pollution and Wildlife

For many animals plastic is lethal. Sea birds get caught in plastic fishing line and starve to death. Small mammals choke and die in 6-pack plastic rings. Dolphins and whales swallow plastic particles that block up their bodily systems. Sea turtles suffocate in plastic bags and floating debris prevents them from surfacing for air.

Luckily, as awareness grows, people are working to clean up plastic in the environment. New types of safe, biodegradable plastic are also coming on the market. We have a very long road ahead, but with more awareness and countries working towards a common goal, we have a more hopeful future.

plastic pollution, wildlife, animals, plastic in our lives

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Endangered Animals

Species around the world are facing extinction from threats ranging from ivory poaching to global climate change. Organizations such as the World Wildlife Fund have responded to the crisis with far-reaching conservation efforts.

The black rhinoceros has long been a victim of poaching for the international trade in rhino horn. British colonists began hunting rhinos in Africa during the colonial era and poaching has continued to this day. Conservationists work to protect rhino populations by building conservations and training local rangers to fend off poachers, but victories are hard fought. The black rhino’s population has sunk to 2,300 in recent years.

The polar bear has risen to public awareness due to the impact of climate change on the Arctic. Since 1979 the volume of sea ice shrunk by 80%, dramatically reducing the polar bear’s natural habitat. Experts say that the population of polar bears decreased to 20,000 to 25,000 in the last decade, classifying them a ‘vulnerable’ species. Conservationists work with businesses and governments to support green energy initiatives and help mitigate climate change.

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It is worth noting that animals that enter the endangered species list do not always stay there. Famously, the American buffalo was reduced to near extinction following the American expansion into the western frontier but conservation efforts have increased their numbers gradually throughout the 20th century.

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Likewise, the giant panda faced extinction a decade ago but has recently made gains due to protected habitats in China. Another encouraging story comes from the Siberian tiger, which was reduced to double digits in the early 1900s but has since increased to about 500.

While species around the world become endangered, conservationists continue to fight for their survival. Find out how you can help by visiting the World Wildlife Fund below. For a full gallery of endangered species follow the link and be sure to check out our storefront for great animal gifts.

The World Wildlife Fund

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• wwf.org
• rhinos.org
• telegraph.com

Immunotherapy: Your Immune System is Cancer's Biggest Enemy

There’s no doubt about it - our immune systems are powerful. We’ve all had moments where we don’t pay much attention to our immune systems because of lack of sleep or high stress and had to endure bouts of sneezing, coughing, or fever in the coming days. Some of us have taken extra steps to make sure our immune systems are as strong as possible and noticed how invincible it feels to go months without getting sick. Everyday function, brain power, and physical ability depend strongly on our body’s ability to fight off viruses and disease.

The power that our immune system provides in determining our health can even be utilized to fight cancer. Immunotherapy is a method of cancer treatment that helps to strengthen the immune system to be able to fight cancer cells better, as well as direct the immune system towards specific cancer cells.

RF and RM Images and Video of Immunotherapy

A large number of cells in our body aid in the immune system. White blood cells (lymphocytes) recognize foreign bodies such as viruses and fight them with antibodies, which are proteins that are sent out to bind to these foreign bodies. T cells are a specific type of white blood cell that search for, capture and destroys foreign bodies and infected cells.

Immunotherapy works with these cell types to focus in on cancer cells and kill as many as possible. There are many different methods of immunotherapy that enhance the immune system in a variety of ways.

Proteins called monoclonal antibodies (therapeutic antibodies) can be created in a laboratory and used for immunotherapy. These antibodies are introduced into the body to flag cancer cells so the immune system can more easily detect them.

Checkpoint inhibitors can be put into a patient’s bloodstream to disable proteins that stop the immune system from attacking cancer cells. These proteins attach to T cells, and can activate or deactivate the immune system when needed. Because cancer cells can pose as normal cells and pass a T cell checkpoint without any activation of the immune system, checkpoint inhibitors are used to make sure that T cells will be activated to help destroy cancer cells with each encounter.

Adoptive cell transfer is a form of therapy that can also help boost the function of T cells. In this method, T cells are taken from the body, and the cells that are most defensive are grown and multiplied in a lab and put back into the body intravenously.

Prints of Cancer and the Immune System

Through the technology that scientists now have available in labs, immunotherapy provides another option for cancer treatment which can give many patients more hope. Although this type of therapy has its own side effects, and sometimes has the potential to damage the body, it has been known to successfully treat some cancers when radiation or chemotherapy failed, and can also enhance the effectiveness of other methods of treatment when used in combination.

Overall, it has the potential to provide hope to many of millions of people around the world affected by cancer.

• livescience.com
• cancer.gov
• immunology.org
• pacificimmunology.com
• tcells.org

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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of the History of Modern Chemistry

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.