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Showing posts from March, 2013

It takes Microbial Guts to Lose Weight

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In the news:
"Microbes Affect Weight Loss"
by Ruth Williams
The Scientist
March 27, 2013 AJ4794 Transmission electron micrograph (TEM) of an intestine showing epithelia, microvilli and commensal bacteria. Credit: David M. Phillips / The Population Council / Science Source

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Hepatitis C - There's Hope in 'Sponge' Drug

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In the news: "'Sponge' Drug Shows Promise for Treating Hepatitis C" by Michaeleen Doucleff NPR  March 27, 2013  BC6509 Hepatitis C virus (HCV), an RNA virus that is transmitted through bodily fluids and affects the liver. Credit: James Cavallini / Science Source


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Prostate Cancer Testing Gets Better

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In the news: "New Prostate Cancer Tests Could Reduce False Alarms" by Andrew Pollack New York Times March 26, 2013
BM2392 Colored MRI (Magnetic Resonance Imaging) showing a prostate cancer seen as a colored spot at center.
Credit: Phanie / Science Source


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Learning From Swarming Flocks of Stampeding Herds

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In the news: "The Power of Swarms Can Help Us Fight Cancer, Understand the Brain, and Predict the Future" by Ed Yong WIRED  March 19, 2013
SG5858 European starling flock. These dense flocks of european starlings (Sturnus vulgaris), which can contain thousands of individuals, are most often seen at twilight. Photographed in Rome, Italy. Credit: Manuel Presti / Science Source



3M1769
Swarm of desert locusts in Keren, Ethiopia. Large numbers of the insects threaten the food supply as they can eat so much of the vegetation during an invasion. Credit: Gianni Tortoli / Science Source




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Cosmology: Clarified and Complicated by Planck Satellite

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In the news: "Universe is a teeny bit older than thought" by Andrew Grant Science News March 21, 2013
SD0657 Galaxy cluster formation. Supercomputer model of the formation of galaxies and clusters of galaxies from the contraction of a homogeneous cloud (left). Over time, the dark matter in the cloud coalesces due to mutual gravitational attraction. This leads to the formation of dense pockets in which stars (yellow) can form. Dark matter is a form of matter that does not emit radiation, making it hard to detect. It is only detectable by its gravitational effects. Models such as this can help to estimate the amount of dark matter in the universe by seeing whether they produce results that look like the real universe.
Credit: SPL / Science Source


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Acute Lymphoblastic Leukemia - Hope in new Cell Therapy

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In the news: "Cell Therapy Shows Promise for Acute Type of Leukemia" by Denise Grady New York Times Health March 20, 2013
3W0129  Color enhanced transmission electron micrograph of cancerous white blood cells (orange) in leukemia. Leukemia is a malignant disease in which bone marrow and other blood-forming organs overproduce certain types of white blood cells. Whereas normal white blood cells play a protective immune-response role, leukemic white blood cells are immature and abnormal. they suppress normal blood cell production resulting in anemia, poor blood clotting, and a weakened immune system. Treatment includes anti-cancer drugs and bone marrow transplants. Credit: James Cavallini / Science Source

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All the Pictures Fit to Print!

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The Hanging of Science Source Images  Purchase prints of our images through our Fine Art America store!

Dogs and Diabetes

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In the news: "Dogs Cured of Type 1 Diabetes" by Kate Yandell The Scientist February 15, 2013
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BEWARE THE (OX)IDES OF MARCH!

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Asprin May Reduce Risk of Melanoma

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In the news: "Aspirin may cut melanoma risk, study finds" by Elizabeth Cohen CNN Health March 11, 2013 SF0882 Skin cancer screening. Young woman being screened for skin cancer. A nurse is carrying out a visual examination of the moles on the patient's face. Any abnormalities will be further investigated using a camera. Credit: Lauren Shear / Science Source

Batesians, Muellerians and Darwin: Who's Mimicing Who?

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In the news: "Solving the Puzzles of Mimicry in Nature" by Sean B. Carroll New York Times - Science March 11, 2013 BV1920 Leaf insect, Phyllium coelebicum, Malaysia Credit: Francesco Tomasinelli /  Science Source

BV9427 Thornbugs (treehoppers), Umbonia crassicornis, Tortuguero National Park, Costa Rica. The extended pronotum has evolved so that the insects strongly resemble thorns on a branch. Credit: Martin Shields /  Science Source

BT5738 The Malaysian Orchid Mantis, Hymenopus coronatus, inhabits rainforests of southeast Asia and the Indo-Australian Archipelago. They have a color and body plan designed to blend them in with the flowers they typically live on. This small predator sits in wait within a flower, sometimes an orchid flower, for a small insect to approach. They grab potential pray items with their grappling arms equipped with long spines. The spines hold onto prey items and make prey handling an easier prospect. This specimen was photographed in Thailand…

Climate Change Debate Heats Up Quickly

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In the news: "Past Century's Global Temperature Change is Fastest On Record" by Christopher Joyce NPR  March 8, 2013 SM7994 Ice age. Historical artwork of the last ice age, some 20,000 years ago, by the Swiss geologist and naturalist Oswald Heer (1809-1883). Credit: Dr Juerg Alean / Science Source

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Momma always said "Wash your hands!"

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In the news: "Infections with 'Nightmare Bacteria' are on the Rise in Hospitals" By Rob Stein NPR Health March 5, 2013 AN947A Color-enhanced Transmission Electron Micrograph (TEM) of negatively stained Klebsiella pneumoniae, a Gram-negative, non-motile, encapsulated, lactose fermenting, facultative anaerobic, rod shaped bacterium found in the normal flora of the mouth, skin, and intestines. K. pneumoniae can cause the disease Klebsiella pneumonia, and ranks second to E. coli for urinary tract infections in older persons. Magnification: 20,000x at 35mm. (Apparently the cell lost its capsule and pili in this old culture.) © Kwangshin Kim / Science Source

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Fitness Benefits Heart, Head and Sperm

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In the news: "Exercise Can Be Good For The Heart, And Maybe For Sperm, Too" by Audrey Carlsen NPR Health February 5, 2013 
BC0050 Scanning electron micrograph of human spermatozoa fertilizing an egg in vitro. (X4000) Credit: David M. Phillips / Science Source

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Astronomy Picture of the Day - Water Bear!

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In the news: "Tardigrade in Moss" NASA Picture of the Day March 6, 2013


BS8236 Water bear (Macrobiotus sapiens) in moss. Color enhanced scanning electron micrograph (SEM) of a water bear in its active state. Water bears (or tardigrades) are tiny invertebrates that live in aquatic and semi-aquatic habitats such as lichen and damp moss. They require water to obtain oxygen by gas exchange. In dry conditions, they can enter a cryptobiotic state of desiccation, known as a tun, to survive. In this state, water bears can survive for up to a decade. This species was found in moss samples from Croatia. It feeds on plant and animal cells. Water bears are found throughout the world, including regions of extreme temperature, such as hot springs, and extreme pressure, such as deep underwater. They can also survive high levels of radiation and the vacuum of space. Magnification: x250 when printed 10cm wide. Credit: Eye of Science / Science Source Images

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Forensic Science Images, and More!

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 A tiny drop of blood. A strand of hair. Maybe a muddy boot print, or a cigarette butt carelessly tossed away. These are some of the clues that can solve crimes. Forensic scientists interpret these clues using their expertise in fields such as entomology, pathology, dentistry, toxicology, and psychology to reconstruct what happened and identify "who-done-it!"

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