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Lottie Peppers

Transformers, Food Cube Farms, and a Nuclear-Waste Chomper: Inventors Reimagine Our Fut... - 0 views

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    What happens when you introduce an architect who builds "Transformer"-like self-assembling structures to an urban agriculturalist who makes futuristic farms and an engineer who designs nuclear reactors that eat radioactive waste? Watch National Geographic Emerging Explorers Skylar Tibbets, Caleb Harper, and Leslie Dewan share stories of how they're inventing tomorrow's realities in the fields of architecture, agriculture, and nuclear engineering.
Lottie Peppers

Diabetic pancreas cells made to produce insulin by bone protein | New Scientist - 0 views

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    What an incredible transformation. A protein used to help bones mend can also force pancreatic cells into producing insulin. The discovery could help people with type 1 diabetes produce their own insulin without having to take daily injections. In type 1 diabetes, beta cells in the pancreas that make insulin - the hormone that keeps our blood glucose levels at a safe concentration - are destroyed by the immune system. As a result, people with the disease have to inject themselves daily with insulin. Now, researchers have discovered that non-beta cells in the pancreas can be transformed into insulin-producing cells, merely by exposing them to a growth factor called BMP-7.
Lottie Peppers

Transforming Ocean Trash Into Beautiful Art - YouTube - 0 views

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    In the past, sailors on whaling ships would carve whale teeth into works of art in a process called scrimshaw. These pieces would be brought home to loved ones as mementos of the voyage. Design incubator Studio Swine is attempting to recycle found materials and turn this aged art form into a more sustainable practice. In this short film, travel to remote parts of the ocean, where "the closest people are in a space station," and watch as the process of collecting ocean trash and transforming it into beautiful treasure unfolds.
Lottie Peppers

AP Bio Lab 6 - Molecular Biology - bozemanscience - 0 views

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    Paul Andersen explains the two major portions of the molecular biology lab in AP Biology. He starts by discussing the process of transformation. He explains how you can use the pGLO plasmid to produce glowing E. coli bacteria. He then describes how you can use restriction enzymes and the process of gel electrophoresis to cut and separate DNA.
Lottie Peppers

Pearson - The Biology Place - 0 views

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    In this laboratory you will use some basic tools of molecular biology to gain an understanding of some of the principles and techniques of genetic engineering. In the first part of the lab, you will use antibiotic-resistance plasmids to transform Escherichia coli. In the second part, you will use gel electrophoresis to separate fragments of DNA for further analysis.
Lottie Peppers

Gene-environment interplay | Science - 0 views

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    The advent of increasingly powerful and inexpensive DNA sequencing methods is changing many aspects of genetics research. In particular, human genome sequencing is transforming our understanding of many aspects of human biology and medicine. However, we must be careful to remember that genes alone do not determine our futures-environmental factors and chance also play important roles.
Lottie Peppers

Kidney grown from stem cells by Australian scientists - Telegraph - 0 views

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    Scientists in Australia have grown the world's first kidney from stem cells - a tiny organ which could eventually help to reduce the wait for transplants. The breakthrough, published in the journal Nature Cell Biology, followed years of research and involved the transformation of human skin cells into an organoid - a functioning "mini-kidney" with a width of only a few millimetres.
Lottie Peppers

Whole Genome Scans Aren't Quite Ready For Your Doctor's Office : Shots - Health News : NPR - 0 views

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    or more than a decade scientists have been saying that a genomic revolution will transform medicine, making it possible to scan all of a person's DNA to predict risk and customize medical care. Well, we've got the machines. Where's the revolution? Getting closer, say researchers at Stanford University, who tested the technology on 12 people. But not quite ready for every doctor's office.
Lottie Peppers

CASES Online: Creating Active Student Engagement in the Sciences - 0 views

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    CASES Online is a collection of inquiry-based lessons to engage K-12 and undergraduate students in exploring the science behind real-world problems. Through CASES, you can transform your students into motivated investigators, self-directed and life-long learners, critical thinkers and keen problem solvers. Our cases are grounded in Problem-Based Learning (PBL), Investigative Case-Based Learning (ICBL), and related student-centered pedagogies.
Lottie Peppers

Epigenome orchestrates embryonic development | Newsroom | Washington University in St. ... - 0 views

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    The early stages of embryonic development shape our cells and tissues for life. It is during this time that our newly formed cells are transformed into heart, skin, nerve or other cell types. Scientists are finding that this process is largely controlled not by the genome, but by the epigenome, chemical markers on DNA that tell cells when to turn genes on and off. Now, studying zebrafish embryos, researchers at Washington University School of Medicine in St. Louis have shown that the epigenome plays a significant part in guiding development in the first 24 hours after fertilization.
Lottie Peppers

Image of the Day: Incredible Edible Corn | The Scientist Magazine® - 0 views

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    It took about 9,000 years and alterations in six genetic pathways to transform the inedible grass teosinte (left) into the corn we eat today (right). (Center: a first generation hybrid between teosinte and corn)
Lottie Peppers

Transformation 2013 - Project-Based Learning Units - 2 views

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    PBL units for variety of topics
Lottie Peppers

Farming in Space - National Center for Case Study Teaching in Science - 1 views

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    If you were limited to choosing only three crops to sustainably farm in an arid, inhospitable environment, what would they be and how would you decide? This interrupted case study places students in the role of a proposed self-sufficient Martian colony that requires an optimized profile of food crops. After students form small groups, they discuss the factors that affect sustainability of a food supply, determine criteria for selection of crops to grow, and rank crops using these criteria. Lists of criteria and of foodstuffs are provided, but the case can easily be transformed into a problem-based learning (PBL) case by having students research and generate their own lists. The case includes questions that walk students through the selection process and require them to explain why they chose their criteria and how those criteria apply to their chosen foods. The case is designed for undergraduate students at the introductory level in courses in astronomy/astrobiology, food science/nutrition, agricultural engineering, or any discipline where sustainability is a key theme.
Lottie Peppers

What are stem cells? - Craig A. Kohn - YouTube - 0 views

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    4:10 video, Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible, transforming cells and how scientists are harnessing their medical potential.
Lottie Peppers

Investigating a Deep Sea Mystery - 0 views

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    Deep-sea mystery solved: astonishing larval transformation and extreme sexual dimorphism unite three fish families by Johnson, et al. (2009)* published in Biology Letters, Royal Society. The deep sea fishes at the heart of the investigation and this activity were historically classified into three families or clades based on the obvious morphological differences between the members of each group. 
Lottie Peppers

Popped Secret: The Mysterious Origin of Corn | HHMI's BioInteractive - 0 views

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    18 min video- Ten thousand years ago, corn didn't exist anywhere in the world, and until recently scientists argued vehemently about its origins. Today the crop is consumed voraciously by us, by our livestock, and as a major part of processed foods. So where did it come from? Popped Secret: The Mysterious Origin of Corn tells the story of the genetic changes involved in the transformation of a wild grass called teosinte into corn.  Evidence from genetics supports archeological findings pinpointing corn's origins to a very particular time and place in Mexico
Lottie Peppers

NSTA Learning Center - 0 views

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    SciGuides are a collection of thematically aligned lesson plans, simulations, and web-based resources for teachers to use with their students centered on standards-aligned science concepts. Human modifications to communities of living organisms in an ecosystem can change the function and processes of that system. The flow of energy through an ecosystem depends upon the diversity of organisms within it; therefore, when this flow is altered, substantial biological and geological changes occur. It is important that our students not only realize that when a local ecosystem is destroyed or negatively affected by human transformations (building, agriculture, technology); the effect is eventually felt globally. We cannot ignore the fact that everything we do impacts our natural environment. The main question is, "How can we be better "keepers of the Earth"?
Lottie Peppers

CASES Online: Creating Active Student Engagement in the Sciences - 0 views

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    CASES Online is a collection of investigative lessons, or "cases," for K-12 and undergraduate science education. Using principles of Problem-Based Learning and Investigative Case-Based Learning (and related student-centered pedagogies), our cases are designed to engage students in exploring the science behind real-world problems. Our cases address a variety of learning objectives across the sciences and mathematics. Although our K-12 cases were designed for use in Georgia and meet our state education standards, we have also included the relevant National Science Education Standards. CASES Online is designed to be used by K-12 and undergraduate science educators. By searching our collection, educators can find cases appropriate to their grade levels, subjects, and topics of interest. In order to download case materials for use in the classroom, educators must first register. While there is no charge to register, download, or use these cases -- we request that all users follow the guidelines outlined under our Terms of Use. Educators are also encouraged to submit cases of their own to our collection. To learn how best to use CASES Online, explore the User Guide; otherwise, begin to transform your classroom by searching for cases.
Lottie Peppers

Helicobacter pylori and the Bacterial Theory of Ulcers - National Center for Case Study... - 1 views

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    This case is an account of the events that led Drs. Robin Warren and Barry Marshall to the bacterial theory of ulcers. The two physicians refused to accept the standard explanations for what they had observed and instead developed an alternative hypothesis, saving countless patients from unnecessary pain and suffering. Along the way they transformed the way the medical community viewed peptic ulcer disease. The case shows the importance of curiosity, serendipity, and tenacity in scientific inquiry; how science is built upon the work of others; how assumptions can cloud people's views, leaving them closed to new ideas; and how scientific "truth" can and does change when faced with new data and new interpretations. It is appropriate for use in any course at the high school or undergraduate level that teaches students about the scientific method and/or the sociology, nature, and history of science.
Lottie Peppers

WOW Biolab - 0 views

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    calorimetry carbon transfer: snails/elodea investigating bacterial growth mutations in fruit flys Gel Electrophoresis bacterial transformation comparing hominoid skulls testing antibacterial agents plant transpiration exploring plant responses insects and crime scene analysis interpreting bird response blood typing
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