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"Holiday decorations"
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Origami holidays
\"Information accompanies step-by-step instructions on how to make origami holiday decorations. The text level and subject matter are intended for students in grades 3 through 8\"-- Provided by publisher.
Book
Third-year student diary
Rosie Perrett enjoyed Christmas, especially her Secret Santa gift, which was inspired by her enjoyment of Planet Earth II. When she returns to Liverpool vet school, she will be getting to grips with pathology.
Journal Article
Holiday symbols
\"Many holidays have special symbols. The symbols are a part of the celebration! What are your favorite holiday symbols?\"--Back cover.
Book
Bidens light National Christmas Tree
President Biden and first lady Jill Biden hosted the National Christmas Tree Lighting Ceremony at the Ellipse on Dec. 2.
Streaming Video
Mini holiday crafts
\"This how-to series teaches young readers to create their own miniature holiday crafts, projects, and decorations with simple steps and everyday materials.\"-- Provided by publisher.
Book
Unperceivable motion mimicking hygroscopic geometric reshaping of pine cones
The hygroscopic deformation of pine cones, featured by opening and closing their scales depending on the environmental humidity, is a well-known stimuli-responsive model system for artificial actuators. However, it has not been noted that the deformation of pine cones is an ultra-slow process. Here, we reveal that vascular bundles with unique parallelly arranged spring/square microtubular heterostructures dominate the hygroscopic movement, characterized as ultra-slow motion with the outer sclereids. The spring microtubes give a much larger hygroscopic deformation than that of the square microtubes along the longitudinal axis direction, which bends the vascular bundles and consequently drives the scales to move. The outer sclereids with good water retention enable the vascular-bundle-triggered deformation to proceed ultra-slowly. Drawing inspiration, we developed soft actuators enabling controllable yet unperceivable motion. The motion velocity is almost two orders of magnitude lower than that of the same-class actuators reported, which made the as-developed soft actuators applicable in camouflage and reconnaissance.
The ultra-slow reshaping of pine cones is dominated by the unique spring/square heterostructure in their vascular bundles, with the velocity slowed by sclereids. Inspired by this motion, a soft actuator showing unperceivable motion was developed.
Journal Article
Young Vet Network Christmas veterinary care
Becky Richardson, Young Vet Network representative on BVA Council, shares her tips for getting through a busy Christmas season as a new graduate vet.Becky Richardson, Young Vet Network representative on BVA Council, shares her tips for getting through a busy Christmas season as a new graduate vet.
Journal Article
Origami for Diwali
Provides instructions for origami projects related to the Hindu holiday of Diwali, including a Diwali lantern, candy box, and flower vase.
Book
Melania Trump receives White House Christmas tree
First lady Melania Trump received the White House Christmas tree on Nov. 23.
Streaming Video