Honeybee Venom Detected by Enzyme Immunoassay
The venom of the honeybee, Apis mellifera, contains numerous enzymes, volatiles, and other components. Allergic individuals develop anti-venom antibodies which may cause hives, anaphylactic shock, and death. In this exercise students detect concentrations of bee venom on nitrocellulose membranes following incubation of membranes with anti-venom antibodies, enzyme-conjugated secondary antibodies, and a colorimetric substrate. The intensity of the colored substrate deposited on the membrane is pro
Floors and Concrete - Crossword
An interactive crossword (Requires Java) which covers terms and definitions relating to floors and concrete. Can be completed online or on a printed sheet.
Preservation of adaptive plasticity across scales of biological organization: from molecules to soci
This webcast outlines why and how adaptive plasticity is maintained at each and every scale of biological organization
Telling the Story of Gaza
Laila El-Haddad is a talented blogger, journalist, social media activist, and parent-of-two from Gaza. She is author of the recently published book Gaza Mom: Palestine Politics, Parenting, and Everything in Between, based on the award-winning blog she has written since 2004, and contributing author to The Goldstone Report: The landmark Investigation of the Gaza Conflict.
She received her B.A. from Duke University and her MPP from Harvard's Kennedy School of Government.
From 2003-2006, El-Had
Essential Tremor - Station and Gait Exam - Gait Sub-exam - Patient 12
The patient is a 70-year-old Caucasian female who first noticed voice and head tremor about 15 years ago. She has had a gradual progression of this tremor that now causes her head to shake, her voice to tremor and her bilateral arm to tremor. The tremor is most noticed when the limbs maintain a posture or are in motion. Her writing is affected especially when she attempts to write small. Fine motor tasks have become more effortful as the years have passed. The tremor is worsened by fatigue. She
ISS Update - April 7, 2011
The International Space Station video update for April 7, 2011.
It Takes All Kinds to Make a World
This fun Web site is part of OLogy, where kids can collect virtual trading cards and create projects with them. Here, marine biologist Melanie Stiassny introduces kids to biodiversity in the ocean. The article contains three engaging, kid-friendly sections: Diversity of Life on Earth, which has an overview of six major groups of life on Earth and challenges kids to determine the correct group for nine different life forms, including blue-green alga, spiny lobster, red mangrove, and white marlin.
Building the First Solar Community
This BioBulletin reports on how the citizens of one Wisconsin town rebuilt their community after a catastrophic flood. The article begins with the choice facing Soldiers Grove: rebuild their destroyed community behind new protective levees or relocate the town to higher ground.
Impact! Tracking Near-Earth Asteroids
This interactive feature story is part of Science Bulletins, an innovative online and exhibition program that offers the public a window into the excitement of scientific discovery. Published in May 2005, this AstroBulletin introduces a team of astronomers on the watch for near-Earth asteroids and comets.
22. Democracy and Majority Rule (I)
Moral Foundations of Politics (PLSC 118)
Professor Shapiro transitions today to the third and final section of the course, an in-depth look at democracy and its institutions. According to him, democracy is the most successful at delivering on the mature Enlightenment's twin promises to recognize individual rights as the ultimate political good and to base politics on some kind of commitment to objective knowledge. And interestingly, democracy as a tradition was not made famous by its champions,
Hurricane Iris from TRMM: October 9, 2001
TRMM views hurricane Iris as it strikes Honduras, October 9, 2001. Time is about 09:00 UT, Orbit T03. Isosurfaces are: Yellow=0.5 inches-hour, Green=1.0 inches-hour, Red=2.0 inches-hour on rainfall rates.
Vehicular Ad-hoc Network Simulations with JANE
In this video we use the JANE simulator to present the relation between the performance of the IEEE 802.11b standard and the number of hops involved in the transmission of files when using car-to-car communications in Vehicular Ad-hoc Networks (VANETs). For more info, please visit: CARLINK
Global Wonders: Hello Song With Sing a Long
This is a cute animated video about different ways to say hello. The words to the song are displayed on screen and each word is highlighted as it is sung. Real photographs of children and people from different parts of the world are shown with their greeting word shown in their language. Content is appropriate for elementary students. (1:40)
Parkinson Disease - Reflexes Exam - Superficial Sub-exam - Patient 4
This 76-year-old man developed tremor of his right arm and leg 15 years ago. It has increased in severity over the years. A shaking right hand affects his writing, dressing and drinking. Occasional drooling, difficulty rolling over in bed and a soft voice at times are also issues. The tremor has affected his writing and he has mild difficulty with buttons and zippers. He spills when he uses his right hand to drink. He has occasional drooling and slight difficulty rolling over in bed. His voice
Dress for Success
In this design activity, students investigate materials engineering as it applies to weather and clothing. The students will design and analyze different combinations of materials for effectiveness in specific weather conditions. Analysis will include simulation of temperature, wind and wetness elements, as well as the functionality and durability of the final prototype.
TRMM Rainmap for September 1998: North and Central America
Monthly average rainfall over North and Central America for September 1998 as measured by TRMM. High rainfall rates are in red.
Wet Pennies
Students conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. The three liquids are water, rubbing alcohol, and vegetable oil; because of their different surface tensions, more water can be piled on top of a penny than either of the other two liquids. However, this is not the main point of the activity. Instead, students are asked to come up with an explanation for their observations about the different amounts of liquids a pen
Parkinson Disease - Coordination Exam - Lower Extremities Sub-exam - Patient 4
This 76-year-old man developed tremor of his right arm and leg 15 years ago. It has increased in severity over the years. A shaking right hand affects his writing, dressing and drinking. Occasional drooling, difficulty rolling over in bed and a soft voice at times are also issues. The tremor has affected his writing and he has mild difficulty with buttons and zippers. He spills when he uses his right hand to drink. He has occasional drooling and slight difficulty rolling over in bed. His voice
Rock Dating Gallery
This gallery of online resources is from the Museum's Seminars on Science, a series of distance-learning courses designed to help educators meet the new national science standards. The Rock Dating Gallery, part of the Earth: Inside and Out seminar, features: Illustrations from the Hall of Planet Earth, which has two informative overviews; Dating Rocks with Radioactivity and Telling Time Precisely: Stillwater Gabbro, which has two images of this rock from the Stillwater Complex in Montana and a v
