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Weather forecasting has changed from a day-to-day guess based on local observation to a scientific method dependent on global data collected accurately, in detail, and at set times. Traces the progression of forecasting from data-collection methods to regional centers for computer plotting and analysis to prediction of weather for the next five to seven days. Includes why forecasting is important.
(Source: DCMP)
With support from the National Science Foundation, some Brown University scientists are doing extensive research on bats, studying everything from their agility in flight to the elasticity of their bodies. Researching a bat's evolution, its structure and biomechanics in flight will help scientists better understand evolution and could lead to the development of aerodynamic materials for more lightweight, agile aircraft.
On May 5, 1961, Alan Shepard made a 15-minute suborbital flight in the Freedom 7 spacecraft, which reached an altitude of 115 miles. The flight came 23 days after Soviet cosmonaut Yury Gagarin became the first human to travel in space, but Shepard’s flight energized U.S. space efforts and made him a national hero. Part of the "World Explorers" series.
In this episode, groups of citizen scientists use apps and maps to help researchers gather data about medical conditions. Sensors on asthma inhalers generate real-time maps of environmental dangers to help patients and physicians in Louisville, Kentucky. In West Oakland, California, citizens confront air pollution and rising asthma rates by collecting traffic data. Citizen scientists are fighting mosquito-borne diseases with apps and crowd-sourced data in Barcelona, Houston, and New Orleans. Part of "The Crowd and the Cloud" series.
In this episode, citizens and scientists partner to gather data on many environmental concerns around the world. A group of citizen scientists track air and water pollution at fracking sites in Wyoming and 5 other states. They use simple but science-based techniques developed by the “Bucket Brigade.” Volunteers from Trout Unlimited monitor water quality regularly, generating baseline data that will prove invaluable in the event of future pollution events. Community members connected with professional researchers explore Flint’s drinking water crisis and help other cities test their water quality. In China, citizens use government data and a unique mobile app to report environmental crimes. Part of "The Crowd and the Cloud" series.
Uses practical examples to help students understand and use the components of the scientific method. Concepts and terminology: hypothesis, experiment, measuring, data, analysis, and conclusion.
Demonstrates how to observe and record scientific observations. Concepts and terminology: observation, data, recording, data table, tools, safety, measuring, and graphs.
The delicate interplay of hormones is responsible for all the events of reproduction. Many other body processes are controlled and coordinated by these chemical messengers. The role hormones play in response to a sudden emergency-the "fight or flight" reaction-is also reviewed.
When pterosaurs first took flight, it may have marked the beginning of the end for the winged reptiles. Some evidence gathered suggests that the power of flight led to evolutionary changes in the reptiles, which may have ultimately led to their downfall. Part of the "Eons" series.
Host Trace Dominguez discusses the current trends in the number of hurricanes and their strength. He examines weather data collected since 1880 coupled with new models created by NASA. According to the data and weather models, hurricanes are becoming more intense.
Self-taught scientists and engineers, Wilbur and Orville Wright taught the world how to fly and are one of America’s greatest success stories. Their first successful flight, on North Carolina's Outer Banks, took place in December 1903. Next, they returned to Dayton, Ohio and continued to develop and test the world's first practical airplane.
The scientific method is the foundation of work for scientists. Explains the scientific method in detail serving as the basis for your science fair project. The process of creating a science fair project along with helpful hints for success is described. Other terminology includes: hypothesis, experiment, data, conclusion, data table, and graphing.
Rosalind Cylar serves as an attorney and advisor in the Office of Chief Counsel at NASA’s Marshall Space Flight Center in Huntsville, Alabama. She participates in a variety of legal activities designed to assure adequacy and propriety in the Marshall Center’s activities and documentation. In providing this service, she is protecting legal and financial rights of the government and parties affected by NASA activities. Part of the "Women@NASA" series.
Discover how scientists compare the reflected red, blue, and green light from planets in the solar system to identify distant planets. Carolyn Crow, an astronomer, describes how the amount of green, blue, and red light reflected by planets can be plotted. A diagram compares the color data of the planets and shows that Earth is easily distinguishable by its blue color.
Cynthia Bixby is the chief of the Systems Engineering and Integration branch at NASA Armstrong Flight Research Center. Prior to becoming chief, Bixby was the systems engineer for the Adaptive Compliant Trailing Edge project, which researched the flexiblity and efficiency of wing flaps on a NASA Gulfstream. Earlier in her NASA career, she was acting deputy and then acting chief of the Flight Systems branch. Part of the "Women@NASA" series.
Scientists at NASA’s Jet Propulsion Laboratory detail how to check the results once the experiment is completed. In this segment, they tell students to look for trends and draw conclusions from their data. They also encourage students to examine their data for possible influences from factors not part of the experiment. Part of the “How to Do a Science Fair Project” series.
University of Chicago scientists are collaborating with researchers at the Argonne National Laboratory to build a wide-ranging urban sensing project in Chicago known as the Array of Things (AoT). A network of 500 computer nodes gather data on various livability factors from all over Chicago. These factors include climate, weather, air quality, noise levels, and traffic. The data is gathered in real time and helps individuals understand the complexities of city dynamics. Part of the “Science Nation” series.
Humans have always been intrigued by the idea of flight. Experiments with Hot Air Balloons led to a pig and duck being the first air travel passengers. From there, the Wright Brothers created the first airplane, and aviation was off to the races. From the jet engine and military aircraft to passenger planes, worldwide travel is now a matter of hours rather than days or weeks.
With support from the National Science Foundation, device engineer Jason Heikenfeld of the University of Cincinnati and a multidisciplinary team are developing new technologies to take sweat biosensors to the next level. Their wearable patches allow tiny amounts of sweat to be captured and analyzed quickly and accurately with strong correlation to blood data. The researchers envision a day when data from continuous sweat monitoring will be an essential tool in health care, like blood tests. Part of the "Science Nation" series.
In the Pacific Northwest, people are stripping moss for the horticultural trade at such an alarming rate that it's now illegal to harvest it. Ecologist Nalini Nadkarni knows that moss is a key component to the eco-system of the region, which makes it important to study. But this globe-trotting scientist at The Evergreen State College needed a lot of help recording research data from some folks who have much more time than she does. Where better to find potential research assistants with lots of time on their hands than the nearby medium security Cedar Creek Corrections Center? With support from the National Science Foundation, Nadkarni’s idea has been so successful that now the prisoners are starting bee keeping and composting programs, in addition to growing and recording data about moss.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
