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Christine Keller, right, Director of Research, APLU (Association of Public and Land-grant Universities) presents STEM initiative report findings at the Symposium on Supporting Underrepresented Minority Males in Science, Technology, Engineering and Mathematics (STEM), Tuesday, February 28, 2012 at NASA Headquarters in Washington. Photo Credit: (NASA/Carla Cioffi)
Rushes are monocots that live in wetlands such as bogs and marshes, and in damp woodlands. This section shows part of a stem of a Rush (Juncus sp.). Plants that are adapted to live in water or wet conditions are known as hydrophytes.
The stem is hollow and contains star-shaped (stellate) cells in a tissue called aerenchyma. The abundant air spaces in aerenchyma allow air to reach the root systems, which are usually submerged in waterlogged soil.
The stem is photosynthetic, with palisade tissue underneath the epidermis, interspersed with groups of fibres (red). Below this cortex are the scattered vascular bundles typical of a monocot.
The diameter of the large vascular bundle is about 170 µm.
Image by John Adds
On Friday, Nov. 4, 2016, NASA's Goddard Space Flight Center, along with its partner The Maryland Space Business Roundtable, invited approximately 60 Prince George’s County high school girls, ages 16 to 17, and their chaperones to its first-ever “STEM Girls Night In” sleepover. The event aimed to reinvigorate, inspire and engage high school girls who may be struggling with, or are not fully engaged in, STEM education.
Activities included competitions and challenges, a telescope stargazing party, a scavenger hunt, speed networking, movie night and more.
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Credit: NASA/Goddard/Debbie Mccallum
Creativity, insight, and application are the hallmarks of Dr. Xin Sun’s applied mechanics and computational materials research at Pacific Northwest National Laboratory. Her advances in lightweight and high-strength materials (including steels) and modeling are vital to energy efficiency and renewable energy and have led to notable weight savings in the U.S. automotive industry. Xin is developing simulation and modeling capabilities for solid oxide fuel cells. Her modeling of physics properties are included as part of the solid oxide fuel cell multiphysics modeling code, or SOFC-MP, a commercial software tool, developed at PNNL, used by fuel cell developers. She also uses the continuum damage mechanics model, developed under DOE-funded programs, to understand fracture mechanisms behind transparent armor for the U.S. Army—work that may enable more resilient battlefield vehicles. A prolific contributor to the scientific community, Xin is on the ISRN Mechanical Engineering editorial board and serves as an associate editor on the ASME Journal of Offshore Mechanics and Arctic Engineering and American Welding Society Welding Journal. She also mentors staff and interns at PNNL and Washington State University, where she is a mechanical and materials engineering professor. Xin earned a naval architecture and ocean engineering undergraduate degree from China’s Shanghai Jiao Tong University. In only five years, she earned a master’s degree in mechanical engineering and a master’s and doctorate in naval architecture and marine engineering, all from the University of Michigan, Ann Arbor.
Read her full story at energy.gov/diversity/articles/women-energy-xin-sun
MTA New York City Transit President Richard Davey and Senior Vice President of Subways Demetrius Crichlow surprise 7th grade students Alan, Chris, Criss, and Sinthia with a visit to Liberty Avenue Middle School on Thursday, Jan 12, 2023. The students, under the guidance of teacher Jessica Abrams, are state finalists in the Samsung Solve for Tomorrow STEM competition with their design of a push-button method for summoning police or mental health assistance in the subway.
Ramez Farag, Rashleigh Tudor (NYCT.)
(Marc A. Hermann / MTA)
The Future Heavy Super Sport rocket blasts off from Fort Carson Army Post, Colorado, at the annual Student Rocket Launch, sponsored by United Launch Alliance (ULA) and Ball Aerospace. ULA interns designed, built, refurbished and launched the 35-foot-tall high-power sport rocket under the guidance of mentors. The rocket carried more then 20 payloads built by interns at Ball Aerospace and kindergarten through 12th grade students from around the country. ULA and Ball interns and mentors volunteer their time to work on the program, which simulates a real-life launch campaign for the students. Photo credit: United Launch Alliance
Le discipline scientifico-tecnologiche (STEM / STEAM) L’autoproduzione di contenuti digitali per la didattica (Scuola sec di II grado) Esperto STEM / STEAM: prof. arch. Nicodemo Mazzone Tutor: prof.ssa arch. Maria Commisso
Replaced my M-stem with a H-stem, Aberhallo stem adapter and straight handle bars (58 cm)
It is about 2cm lower now. Brake/shifter cables are not modified.
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EAK avoids chilly water and soaked shoes by stemming across a twenty foot long water hazard.
2018-03-27_12.37.57_UT-UpperRedBreaks
STEM Career Expo at New York Hall of Science in Queens, New York, U.S. May 17, 2019. (Photo by Andrew Kelly For NYSCI)
Coclé culture, Pre-Columbian
Earthenware and slip, 3 3/4 x 6 3/8 in. Diam.
Gran Coclé culture spanned the area of what is now the country of Panama. The Gran Coclé culture is known for a distinct artistic style featuring bold, stylized representations of animals and geometric forms, using the colors red, purple, brown, and white. A distinctive pottery shape for the Gran Coclé culture was the pedestal plate. The plate rims are often divided into different colors and patterns, with the center of the plates featuring animals, including serpents, crocodiles, turtles, and stingrays.
Pedestal plates were produced in the thousands and were not meant for everyday use. Instead these were produced specifically to be placed in the tombs of the elites of the Gran Coclé communities. The large-scale production of pedestal plates hints to the importance of ceramics in the Gran Coclé culture. The ceramics were produced in workshop settings by a large number of skilled individuals who prepared clay, pigments, and the kiln, making objects that survive in the archaeological record.
(Birmingham Museum of Art)
Fern stem and leaf. I remember ferns being interesting in biology because they were unlike most plants.
If you have a giant crabapple you have an equally giant stem!
Crabapple Lake / Morton Arboretum / Lisle IL
The Office of Professional and Career Development hosted their annual STEM Slam for students to network with employers and explore STEM careers Tuesday, February 4, 2020 at Wake Downtown in Winston Salem, NC.
Science, Technology, Engineering and Math Building opening in January 2014 at the Mays Landing Campus.
Late Friday night, 40 high school girls arrived at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, for a STEM-themed sleepover, ready to learn about careers in Science, technology, engineering and math. The educational event offered young women a chance to meet working female scientists and to discover opportunities for women in STEM-related professions.
The teens kicked off the third annual STEM Girls Night In with an astronaut Q&A, talks from female scientists across disciplines and a collection of hands-on activities. The night culminated in a three-hour Mars rover competition and concluded with a late-night showing of “Hidden Figures.”
Credit: NASA/Goddard/Jessica Koynock
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Marcie Maxwell, Senior Education Policy Advisor for the Governor joined Patirck D'Amelio from Washington STEM, Aimee Kennedy from Battelle and Yolanda Watson Spiva from College Success Foundation.
Photo by Kariba Photography/Courtesy of Washington STEM
Our inaugural STEM Day hosted at Wayne State introducing students to new pathways in science, technology, engineering, and math.
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