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At the University of Montana, Ken Dial researches the mechanics of bird flight. He studies young birds that are learning to fly, and he hopes his experiments will provide new evidence for how flight might have evolved.
(Source: DCMP)
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.
Biologist Ken Dial has documented in extraordinary detail how birds are put together and the mechanics of how they take to the air. With support from the National Science Foundation, Dial and his team at the University of Montana Flight Lab use x-rays and high speed video to better understand the mechanics of bird flight. Dial’s more than 2,000 flight hours as a pilot in a wide range of aircraft adds another dimension to his research. Perhaps, by mimicking what birds have learned over millions of years, aircraft wings could change shape to accommodate both slow and fast flight, or a helicopter propeller’s shape might be altered to be more efficient.
Second in the series of three productions designed to let students learn by doing, guiding them through the science and history behind the Wright Brothers' invention of powered flight. This second component contains segments that provide science background (Four Forces of Flight, Newton's Laws, and others) to help students understand aviation concepts. Additional segments show the teacher how to conduct activities (building models or demonstrations) and acquire materials to be used in these activities.
Third in the series of three productions designed to let students learn by doing, guiding them through the science and history behind the Wright Brothers' invention of powered flight. This third component contains the same "how to" segments from the second in the series (13692) and parts of the history and scientific concepts from the first in the series (13691). However, it also provides greater ease and flexibility in locating, reviewing, and pausing in and between segments than the other two productions in the series. Good for sharing with students to aid them as they build and experiment with kites, gliders, and rubber-band-powered planes.
The fossils of bats resemble the bat of today with some differences related to leg length and location of claws. Their fossils are also found on all the continents except Antarctica, and they appear in these areas around the same time. So what are the origins of bats? Part of the "Eons" series.
With support from the National Science Foundation, Liangfang Zhang and his team at UC-San Diego have created a nanosponge to combat drug-resistant infections, such as those caused by Methicillin-resistant Staphylococcus aureus (MRSA). The nanosponge, made from biocompatible, biodegradable polymer nanoparticles, is camouflaged with a red blood cell membrane. It circulates in the bloodstream, absorbing the toxins produced by infection. Once the nanosponges are fully loaded with toxins, they are safely disposed of by the liver. They are designed to work with any type of infection or poison that attacks the cellular membrane. Part of the National Science Foundation Series “Science Nation.”
Erick Ordonez is a materials engineer at NASA's Marshall Space Flight Center in Huntsville, Alabama. He makes sure that the materials NASA sends into space are problem-free. In this video, he talks about the connections between his work, hobbies, and approach to life. Part of the "Design Squad Nation" series.
Scientists search the earth and sea for new medicines, knowing that half of today's curative preparations come from or contain ingredients from nature. Names some plants that provide components for familiar medications, and notes, for example, that 3,000 plants help control or fight different cancers. The research process to locate, refine, and test new drugs is long and complex. Natural substances from rain forests, marine life, and even soil have enormous potential for healing.
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.
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.
With the retirement of NASAs space shuttle fleet in 2011, the role of getting people, satellites and other instruments into space falls to private companies. As of June 2011, there have been only 523 people to reach the 100 kilometer mark (considered human spaceflight), and only 24 have traveled beyond low Earth orbit. It is projected that within ten years, the number of people who will have flown into space will increase by about 600 percent due to the increasing market of suborbital spaceflight and the possibility of private citizens utilizing space flight. Students will explore suborbital and orbital spaceflight and the requirements necessary for vehicles to achieve these journeys. They also go behind the scenes of many of the private companies involved in taking on the tasks to travel to low Earth orbit and beyond and uncover some of the technology used to accomplish these goals.
Explains how raptors (birds of prey) fly and hunt, comparing their abilities to those of high-tech fighter aircraft. The peregrine falcon, for example, surpasses even the F-22 Raptor aircraft in its speed, agility, and accuracy on target. Also studies eagles, kestrels, owls, vultures, falcons, and hawks. Focuses on the tactics of raptors hunts from hawks, taking advantage of bats' nighttime flights to hawks' teamwork in capturing their prey.
It's Tulsa, Oklahoma at the start of the oil boom and Cherokee Lansing's rancher father is killed in a fight with the Tanner Oil Company. Cherokee sets out to save her father's oil empire and becomes obsessed with wealth and power. Originally released as a theatrical production.
The seemingly peaceful atmosphere in an organic garden on the University of Florida campus belies the battles happening among many of its tiniest inhabitants: the insects. For entomologist Christine Miller, there are endless opportunities here to study how insects compete and even fight for a mate. With support from the National Science Foundation, Miller and her team are researching mate selection and animal weapons as a key to better understanding animal behavior, diversity, and evolution. Understanding evolution is essential for figuring out solutions to modern problems such as antibiotic resistance, a major problem in medicine, and for understanding how life on the planet became so diverse and how it may change in the future. Part of the National Science Foundation Series “Science Nation.”
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.
First in the series of three productions designed to let students learn by doing, guiding them through the science and history behind the Wright Brothers' invention of powered flight. This first component contains six ten-minute segments that explore (1) humankind's historical preoccupation with the idea of flight and the life and times of the Wright Brothers; (2) the science concepts of control, lift, and propulsion; and (3) evolution of the science of flight since the Wright Brothers.
Students learn the concept of buoyancy. In a series of demonstrations, students will make a guess about whether they think an item will sink or float. The items are dropped into a fish tank, and the results are charted. Part of the "Everyday Science for Preschoolers" series.
In each episode, viewers are given clues about a hidden animal inside a magic box. Can viewers use all the clues to correctly guess the name of this black and white whale? Part of the "Zoobabu" series.
Aeronautics is the science of flight as well as the theory and practice of aircraft navigation. Any machine that flies through the air falls into the field of aeronautics. This includes helicopters, airplanes, as well as space vehicles such as the SpaceX Dragon and the retired NASA space shuttles. Aerodynamics is a branch of physical science which deals with the motion of air and the way that it interacts with objects in motion.
Showing collections 1 to 7 of 7
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Biology related concepts
A collection containing 59 resources, curated by Benetech
A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
Collection of anatomy resources
A collection containing 21 resources, curated by Benetech
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
