New search
Records 1 to 37 of 37
All That Glitters May Not Be Gold
In this decision case, a congressional staffer must weigh a number of competing concerns and issues, including popular reactions to genetically modified organisms, in deciding how to present information to her boss, an influential congressman drafting ...

Banana Split: To Eat or Not to Eat
This case focuses on the banana, the most popular fruit in the world.  In the first part of the case, students are introduced to the history of "Banana Republics" and the biological constraints to banana production, including the devastating funga...

Better Cheddar
In this case study students assume the role of quality assurance personnel at a small artisan cheese company. They are given a flowchart of the cheesemaking process and a set of process data. They must develop control charts to monitor process quality ...

Certified Cultured Beef
In this case study, students are introduced to concepts and techniques in modern biotechnology, as well as the possible implications of this emerging science, by considering the possibility of in vitro cultured meat. Intended for use in a coll...

Concentrating on Whey: The Use of Statistics in Process Control
This interrupted case study follows the progress of Kenny, the head operator for a whey protein processing system, as he works with Cheryl, a quality management specialist, to implement control charts to monitor process variables. Students assume the r...

Cooking Under Pressure
The Clarksons are making dinner for friends and decide to try out their new pressure cooker. As students read the dialogue that ensues, they learn about how the boiling point of water is directly related to external pressure, apply the ideal gas law, a...

Cool as a Cucumber
In this case study, students are asked to design a new refrigeration system for a company that stores produce. Students will need to consider various aspects of refrigeration system design, such as single- versus multi-stage, size, operating temperatur...

Do You Really Know What You're Eating?
Starting from a fictional “news” report about an apparent allergic reaction to a taco tainted by genetically modified corn, students consider some of the techniques and procedures used in modern molecular genetics and microbiology as well a...

Face the Fats
This clicker case introduces students to the biochemistry of lipids through the story of Pete, a college student who begins to consider his nutritional fat intake after watching a commercial for the cholesterol-lowering drug Vytorin. In this case, stud...

Farming in Space
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...

Farmville Future?
Life has changed for the rural residents of Farmville County since the arrival of four concentrated animal feeding operations (CAFOs); the air has an odor, wildlife has decreased, and illnesses are on the rise. One of the town's residents has become ac...

Fat Facts
It's Mother's Day and Dolly, a high school senior, is making a Mediterranean salad for her mom, who is a college chemistry major and who likes to take every opportunity to teach Dolly what she has learned in school. Today is no exception, as she guides...

Flowing Fine: Moving Fluids on an Industrial Scale
In this case study, students assume the role of a process engineer for a pilot plant. Students are tasked with selecting a piping arrangement from a list of available options, creating a diagram of the flow system, determining the terms needed in the g...

Frankenfoods?
This discussion case, in which a university research laboratory is vandalized by environmental activists opposed to genetic engineering, focuses on the science and ethics of genetically modified crops. Students consider both the risks and benefits of b...

Gastronomic Gastroenteritis at The Fat Duck
This interrupted case study was inspired by and uses data from one of the largest commercial restaurant associated outbreaks of norovirus reported in the literature. It applies basic principles of epidemiology and outbreak investigation to a shellfish-...

Golden Rice
In this intimate debate case, students consider whether to support the development and use of Golden Rice as a means to alleviate vitamin A deficiency in the developing world. Since many of the arguments typically raised against genetically modified or...

Irradiation
“Leo Altamari,” CEO of Kutztown Meat Packing Corporation, has just come back from his Monday morning staff meeting, where the major agenda item was a discussion about the irradiation of meat products.  Leo must decide whether his compa...

Is High Fructose Corn Syrup Bad for the Apple Industry?
In this interrupted case, students analyze a peer-reviewed article and apply the scientific method to solve an agricultural mystery. A fictional apple farmer and his son are trying to determine if high fructose corn syrup has led to the loss of the bee...

One Bad Apple
In this case study, students assume the role of a quality assurance (QA) technician who is working on finding the root cause of customer complaints for apple cider.  Students will critically examine the sampling practices for the apples used for p...

Organic Food
Currently there is considerable confusion surrounding the use of the term "organic" as applied to food and other consumer products, but within the agriculture industry the term has a well-defined meaning related to the practices that are allowed in the...

Out of the Frying Pan and into the Grease Fire
Late on a Saturday night, a fire in the kitchen of a popular restaurant results in almost a million dollars in damages. Fortunately, there is no loss of life or serious injury. Fire department officials think that a grease fire was most likely the caus...

Packing Pickles: Picking and Performing a Statistical Test
Based on a true story, this case study was created to teach students how to perform statistical tests and determine whether a significant difference exists between two sets of data. Students are faced with the task of assisting Jeff, the manager of a p...

Potato Chip Problems
In this case study, students assume the role of a quality assurance team that is in charge of determining potential causes and solutions for potato chip bags that open during the shipping process. Students will use basic quality control tools to evalua...

Seeds of Dissension
A possible act of industrial espionage is the backdrop for this case study, which introduces students to analytical techniques routinely used in most areas of biotechnology, including forensic science and patent lawsuits. In this fictional case, "Roger...

Snow White Apples?
The protagonist of this two-day flipped case study, “Maria,” has two problems. She doesn’t like it when the apple slices in her lunch turn brown, and she needs to find a project for her biology class that includes molecular biology, p...

Sweet Truth
This case reviews concepts of monosaccharide, disaccharide, and polysaccharide and contrasts the structures of different pairs of carbohydrates as well as the structure of sorbitol, a sugar substitute. It also depicts stereo chemistry concepts such as ...

Tasty and Safe: Heat Transfer in Orange Juice
In this case study, students assume the role of process engineers in an orange juice production facility. They determine modes of heat transfer to and from the orange juice, develop equations for the heat transfer scenario they have identified, and des...

The Benign Hamburger
In this dilemma case study, the executives of a popular restaurant chain must decide whether to use irradiated meat, in this case, beef, to protect its customers from the bacteria, E. coli. Students learn about food irradiation and discuss iss...

The Case of the Missing Bees
Colony Collapse Disorder (CCD) has claimed approximately one-third of the commercial honeybee population in recent years. A number of causes have been suggested for this phenomenon, including the consumption of high fructose corn syrup (HFCS) by the be...

The Chemistry of Curcumin
This case study was developed to engage students by making connections between core concepts in organic chemistry and the health-promoting chemical, curcumin, found in turmeric. The case is in the form of a dialogue between a couple about the surprisin...

The Company’s Best Yogurt
In this case study, students assume the roles of research and development personnel in a dairy company that is developing a low-fat yogurt. Guided by research provided by the company's marketing department, students must select attributes of the yogurt...

The Fun in Fermentation
When covering the process of cellular respiration, advanced high school and undergraduate biology classes present fermentation as a means of anaerobic energy production in certain organisms and in muscle metabolism. Although most biology textbooks cove...

The Modern Caveman’s Dilemma
During the Paleolithic era, human life expectancy was only 33 years—roughly half of what it is today. We owe our more extended lives in part to better hygiene, medicines, and more plentiful foods. Yet some people aspire to return to that earlier ...

What Are the Odds? A Cupcake Mishap
"Gerri" is the owner of a local bakery that specializes in cupcakes. Her assistant, "Kelsey," is preparing an order for a wedding when she discovers that she has lost her ring and can't find it anywhere in the kitchen. Since the ring had been loose on ...

Whey Off Balance
In this case study, students assume the role of a process engineer on a whey refinement process.  As the process engineer for the line, students must develop a block diagram of the process, perform a mass balance on each step of the process, and d...

Which Little Piggy Went to Market?
In this case study, a scientist is contacted by a friend from a meat processing plant who is looking for a test to determine the sex of the animals that contributed to a particular batch of meat. He needs to know because meat from uncastrated males (bo...

Would You Supersize My Cancer, Please?
The recent discovery of acrylamide in both fried and baked foods like French fries and potato chips has caused alarm. Acrylamide is both a known carcinogen in animals when administered in high doses and a neurotoxin when humans are exposed to large amo...