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Rachel Carson and the Origin of Scientific Environmentalism | AMS OpenMind
02:38

Rachel Carson and the Origin of Scientific Environmentalism | AMS OpenMind

In wars, insect-borne diseases killed more than bullets. During WWII, DDT, a miraculous insecticide, was used by the Allies to annihilate millions of insects transmitting malaria and typhus, aiding troop advancement. After the war, DDT brought prosperity to agriculture, making crops more profitable than ever. But a famous writer saw unexpected consequences. Marine biologist Rachel Carson had a gift for communicating science and a passion for nature. 🌿 Her talent took her from editing radio scripts for the U.S. Fish and Wildlife Service to becoming a successful author. Her second book, “The Sea Around Us,” was an immediate bestseller, and its film adaptation won the Oscar for Best Documentary in 1953. 🎥 In the late '50s, a friend wrote to Carson about many songbirds dying near her land after a DDT spraying. This led Carson to investigate the effects of this synthetic pesticide for four years. She discovered three important phenomena: DDT kills all kinds of animals, not just pests, so it should be called a “biocide” rather than a “pesticide.” It doesn’t dissolve in water and remains in the environment for years, weakening ecosystems. DDT contaminates food by accumulating in fatty tissues, affecting human health by causing cancer and genetic damage. Carson published her findings in “Silent Spring,” a book that shocked the public and demanded the use of safe products to deal with pests. The chemical industry responded ruthlessly, even discrediting Carson personally. But many scientists supported her meticulous work. 🌍 Ten years later, the U.S. banned DDT as an agricultural chemical. However, Carson’s vision went beyond pesticides. She wanted society to control its impact on ecosystems and led a global environmental campaign based on facts, not just feelings. 🌱 #RachelCarson #SilentSpring #Environmentalism #DDT #ScienceHistory #Nature #Conservation #Education #learnsomethingnew A video by @scienseed4294 Ventana al conocimiento
Dr. Jo: How Sara Josephine Baker Saved The Lives Of America's Children - Videobook For Kids
08:52

Dr. Jo: How Sara Josephine Baker Saved The Lives Of America's Children - Videobook For Kids

Sara Josephine Baker was a strong girl who loved adventure. Growing up in New York in the late 1800s was not easy. When she lost her brother and father to typhoid fever, she became determined to pursue her dream of becoming a doctor. Find out what happens in this enchanting #videobook for children. *** SUBSCRIBE *** to our channel to watch more of our cool videobooks for kids: https://bit.ly/30SHjCo Dr. Jo: How Sara Josephine Baker Saved the Lives of America's Children is the charming and best-selling Children's Book by Monica Kulling. Buy the book and read along with your children! https://www.amazon.com/Dr-Jo-Josephine-Americas-Children/dp/110191789X/ In Jo's day, medical schools were closed to women, but times were changing, and Jo was at the forefront. When she graduated in 1898, Dr. Jo still faced prejudice against women in her field. Not many people were willing to be seen by a female doctor, and Dr. Jo's waiting room remained mostly empty. She accepted a job in public health and was sent to Hell's Kitchen, one of New York's poorest neighborhoods where many immigrants lived. There, she was able to treat the most vulnerable patients: babies and children. She realized that the best treatment was to help babies get a stronger start in life. Babies need fresh air, clean and safe environments, and proper food. Dr. Jo's successes, fueled by her determination, compassion and ingenuity, made her famous across the nation for saving the lives of 90,000 inner city infants and children. Click here to watch more great #Videobooks: https://www.youtube.com/playlist?list=PLj6DGFOX95y8s6jet3gF3FXhzXgxMQa11 This video was created by Videobooks By Wekom https://hippomottie.wixsite.com/123wekom *** SUBSCRIBE *** to our channel to watch more of our cool videobooks for kids: https://bit.ly/30SHjCo
The Science of Codes: An Intro to Cryptography
08:21

The Science of Codes: An Intro to Cryptography

Were you fascinated by The Da Vinci Code? You might be interested in Cryptography! There are lots of different ways to encrypt a message, from early, simple ciphers to the famous Enigma machine. Michael Aranda takes you through a fun and cryptic episode of SciShow, all about codes! ---------- SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.vectorsite.net/ttcode_04.html#m3 http://www.simonsingh.net/The_Black_Chamber/crackingprinciple.html http://book.itep.ru/depository/crypto/Cryptography_history.pdf http://www.cs.trincoll.edu/~crypto/historical/gronsfeld.html http://www.sans.org/reading-room/whitepapers/vpns/history-encryption-730 http://ftp.stmarys-ca.edu/jsauerbe/m10s11/chapter5.pdf http://www.turing.org.uk/scrapbook/ww2.html http://enigma.louisedade.co.uk/howitworks.html http://www.codesandciphers.org.uk/enigma/example1.htm http://www.pbs.org/wgbh/nova/military/how-enigma-works.html http://www.cs.miami.edu/~burt/learning/Csc609.051/notes/02.html
The Most Successful Transgender Woman In The World | TransSingle
03:02

The Most Successful Transgender Woman In The World | TransSingle

Lynn Conway is a famed pioneer of microelectronics chip design. Computer Scientist Electrical Engineer Innovator Systems Architect Research Leader Engineering Educator Adventurer & Visioneer Conway grew up in White Plains, New York. She worked at IBM in the 1960s and is credited with the invention of generalised dynamic instruction handling, a key advance used in out-of-order execution, used by most modern computer processorsto improve performance. Conway was shy and experienced gender dysphoria as a child. Male to Female transition in 1968. Her innovations during the 1970's at the Xerox Palo Alto Research Center (PARC) have impacted chip design worldwide. Many high-tech companies and computing methods have foundations in her work. Thousands of chip designers learned their craft from Lynn's textbook Introduction to VLSI Systems, which she co-authored with Prof. Carver Mead of Caltech. Much of the modern silicon chip design revolution is based on her work. Lynn went on to win many awards and high honors, including election as a Member of the National Academy of Engineering, the highest professional recognition an engineer can receive. ~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~* https://www.transsingle.com - 100% Free Transgender Dating Site for MTF, FTM, Non-binary, Genderfluid and Transsexual People Who Are Looking for SERIOUS RELATIONSHIP. ▒░♥♫♪♣☻►▬▬▬ஜஜ۩۞۩ஜஜ▬▬▬◄☻♣♪♫♥░▒ +++ Subscribe and Watch Our Other Videos https://www.youtube.com/c/Transsingle-Transgender-Dating-Site

LGBTQ+  

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Defining Moments with OZY: Jason Collins (Full Episode) | Hulu
32:43

Defining Moments with OZY: Jason Collins (Full Episode) | Hulu

Jason Collins talks through his journey to becoming the first openly gay player in the NBA in this episode of #DefiningMoments. ABOUT DEFINING MOMENTS WITH OZY No one starts out on top, even if it seems like they did. No matter how high they’ve climbed, the most successful people have all struggled on their journey to greatness. They’ve all had moments of fear and doubt. They’ve all thought about giving up. They’ve all had Defining Moments. Get ready to see some of the most inspiring, groundbreaking, ballsy, and fascinating people – getting raw, vulnerable, and real about their path to success. SUBSCRIBE TO HULU’S YOUTUBE CHANNEL Click the link to subscribe to our channel for the latest shows & updates: http://www.youtube.com/hulu?sub_confirmation=1 START YOUR FREE TRIAL http://hulu.com/start FOLLOW US ON SOCIAL Instagram: https://www.instagram.com/hulu/ Hulu on Twitter: https://twitter.com/hulu Facebook: https://www.facebook.com/hulu ABOUT HULU Hulu is the leading all-in-one premium streaming service that offers an expansive slate of live and on-demand entertainment, both in and outside the home. Hulu is the only on-demand platform that provides access to a library of both hit TV Series/Films and award-winning Hulu Originals like Only Murders In The Building, The Handmaid’s Tale, The Kardashians, and more! Visit Hulu.com to subscribe now. #Hulu #Disney #Streaming Defining Moments with OZY: Jason Collins (Full Episode) | A Hulu Original Documentary https://youtu.be/piCuq8IAcQY
SAN FRANCISCO STORIES: Honey Mahogany
02:24

SAN FRANCISCO STORIES: Honey Mahogany

Honey Mahogany is perhaps best known for starring in the 5th season of RuPaul's Drag Race, distinguishing herself for singing her own songs before being foiled by a gorgeous caftan that somehow failed to impress the judges. Then came the release of the EP Honey Love, where her sultry voice was again on display. Yet Honey's greatest accomplishments at the age of 36 may well be out of the limelight. Since the breakthrough Drag Race appearance, she has starred as in another platform altogether: San Francisco politics. Not only did she help establish the city's commemoration of trans history, the Compton's Transgender Cultural District, she also serves as a legislative aid to a member of the San Francisco's board of supervisors, where she advocates for all things LGBTQ. Honey, who is African-American, identifies as queer and gender-non conforming trans. And she is clear about the inspirations for her boundary-defying identity as well as her advocacy: "San Francisco's wealth of characters" who inspire locals and visitors alike to "express themselves and push boundaries without fear." And express herself she has. Honey can be spotted across the city in a range of productions at iconic locations, always highlighting the city's gorgeous mosaic of diversity. She starred in shows including Peaches Christ's The Craft... of Drag! at the Castro Theater and D'Arcy Drollinger's Star Trek at the Oasis. She also played Scary Spice in a live reading of Spice World at Clusterfest and emceed Topsy Turvy: A Queer Circus Extravaganza. Mahogany has hosted the Castro Street Fair and Mahogany Mondays at the infamous The Castro bar, Midnight Sun.  In 2017, Mahogany and Sister Roma became the regular hosts for the main stage of San Francisco's enormous pride celebration. Watch as Honey takes Queerty inside the Stud, champions the unique nightlife of San Francisco, and chats about preserving the legendary queer club for future generations:
Harvey Milk's radical vision of equality - Lillian Faderman
05:24

Harvey Milk's radical vision of equality - Lillian Faderman

Learn about the life and tragic death of gay rights pioneer Harvey Milk, California’s first openly gay public official. -- By 1973, Harvey Milk had already been many things: naval officer, high school teacher, bit-part actor and wandering hippie. Starting fresh in San Francisco, his belief in a more personal approach to local government led him to run for office in the heart of American gay culture, the Castro. Lillian Faderman details the tenacity and courage of California's first openly gay public official. Lesson by Lillian Faderman, directed by Tomás Pichardo-Espaillat. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon: http://bit.ly/TEDEdPatreon Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram View full lesson: https://ed.ted.com/lessons/harvey-milk-s-radical-vision-of-equality-lillian-faderman Thank you so much to our patrons for your support! Without you this video would not be possible! denison martins fernandes, Hashem Al, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei, Abdallah Absi, Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, Nicolas Silva, Tsz Hin Edmund Chan, Melvin Williams, Tirath Singh Pandher, Athena Grace Franco, Terry Minion, Mauricio Basso, Kelvin Lam, jj5252, Karlee Finch, Chumi Ogbonna, Barthélémy Michalon, Lefty McGoo, Lucas Pincerato, Mohamed Elsayed, Amin Shahril, Mihail Radu Pantilimon, Chris Thompson, Derek Drescher, Karisa Caudill, Zhong Ming Zenny Tan, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Robert Seik, Coenraad Keuning, Charles A Hershberger, Laura Cameron Keith, Abhishek Goel, Marc Bou Zeid, JY Kang, Anastasiia , Madee Lo, Arpita Singh, Karl Laius and Tu-Anh Nguyen.
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