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Photomicrograph of a Dandelion stem cross section. This is my first attempt at histological specimen preparation. Next time I need to use a thinner layer of Meyer's Albumin as it took up some of the stain.
Bright field micrograph created using a Sony NEX 5N on a Nikon SM inverted microscope with a Zeiss 2.5X objective, 4X eyepiece and a Leica MICAS microscope adapter with a 2/3X reducer.
Fixed in FAA 48 hr. Dehydrated 70 % ETOH 95% ETOH 2X, 99% IPA 3X. Cleared in xylene 2X, Infiltrated with Paraplast 2X, mounted in Paraplast. Sectioned with a Spencer 820 microtome at 7 microns. Floated on a water drop on a Mayer's Albumin coated slide and dried. Cleared in Xylene 2X. Rehydrated 99% IPA, 95% ETOH. Stained with Aniline Blue IPA, fixed acid alcohol, stained Orange G. Dehydrated 95% ETOH, 99 % IPA 2X. Cleared in Xylene 2X. Mounted with Fisher Permount.
Cheng-Hsiu Tsai, a Ph.D. student at the University of Otago in New Zealand, examines a fossil whale skull. Photo by Gabe Santos
For more info: advanced-stemcells.euroscicon.com
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Wheat stem with pustules caused by stem rust (Puccinia graminis). These are dark reddish brown, contain masses of urediospores, and may occur on both sides of the leaves, on the stems, and on the spikes.
For more information, see CIMMYT's Wheat Doctor: wheatdoctor.cimmyt.org/index.php?option=com_content&t....
Photo credit: Thomas Lumpkin/CIMMYT.
a tomato stem. so, like, i thought tomatoes were citrus since they have citric acid, but, like, i was apparently wrong.
The National STEM Guitar Project, in partnership with NSF Advanced Technological Education (ATE) Centers with funding provided through a grant from The National Science Foundation (#1304405), hosts innovative Guitar Building Institutes around the United States. The 5-day institutes, combined with additional instructional activities comprising 80 hours, provide faculty training on science, technology, engineering and math (STEM) for middle, high school, and post-secondary faculty. The institutes present and teach participants hands-on, applied learning techniques to help engage students and spark excitement for learning STEM subject matter.
Nationwide, there are increasing concerns from businesses about the supply of science, technology, engineering, and mathematics trained workers. Science and math test scores in the U.S. are among the lowest around the world.
The goal and objective of the STEM Guitar Building Institutes is to showcase a new way to present learning for students with applied methods.
Ismael Fernandez-Hernandez speaks at the Stem Cell Day of Discovery event held at the USC Health Sciences Campus in Los Angeles, CA. February 4th, 2017. The event encourages students to learn more about STEM opportunities, including stem cell study and biotech, and helps demystify the fields and encourage student engagement. Photo by David Spragu
Stem MD is a Healthcare Network made up of World Renowned Surgeons and health care professionals who are experts in the field of Regenerative Medicine.
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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Finally a little progress after several weeks out on a mission project.. Had the RV parked on the bank of the Chesapeake Bay? A Hardship! NO BOAT! But got back and installed the stem reinforcement. Here is the additional wood reinforcemetn that backs up the bow.
Stem rot caused by Helminthosporium sigmoideum ( Leptosphaeria salvinii or Magnaporthe salvinii
) (Photo 80) — Infection usually occurs near
the waterline, entering through wounds and injuries.
It starts as blackish, dark, irregular lesions on
the outer leaf sheath and gradually enlarges.
Eventually, the fungus penetrates into the culm
and weakens the stems and leads to lodging
(Photo 81).
Part of the image collection of the International Rice Research Institute (IRRI)
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.
Follow us on Twitter
Like us on Facebook
Find us on Instagram
The Science, Technolgy Engineering Mathmatics (STEM) partnership had a Forum Event "Gathering Momentum" at the Henry Ford College, Loughborough University on Wed..In the picture are some of the guest speakers, from the left, Rick Hall, Sarah Hill, David Wilkinson, Geoffrey Taylor Henry Lau and Pat Morton
Stems formed in 2011 with the idea of seeking a new relationship between experimental guitar and classical instruments, to create music with the energy of rock music but with elongated and intense structures of Western and Indian classical music.
To date the band have released one E.P - The 20 minute long track 'Only When all is broken can the truth be seen' and an album 'POLEMICS'. The artwork of both CD's are translucent layered images printed on tracing paper.
In 2013 they embarked on a successful 15 date tour of Europe to promote the album 'POLEMICS' which further developed their following, based around their passionate and intense live performances.
The name Stems is derived from the idea of roots diverging to produce unique strands, all of which are bound to a central body.
New eCYBERMISSION Website Coming Soon!
eCYBERMISSION is excited to give you a preview of our new website! It has a comprehensive, visually appealing layout and improves the navigation through our resources to make it easier to access. The redesign will also enhance our online capabilities and position eCYBERMISSION as a leader in the online STEM world.
The new website will launch in summer 2013. In the meantime, check out the sample screenshots and let us know what you think.
Brown widow spider specimens are part of research efforts to learn more about the often feared spiders. Photo by Matt Gush