搜尋結果
Robert Francis Kennedy Jr. (born January 17, 1954), also known by his initials RFK Jr., is an American politician, environmental lawyer, anti-vaccine activist, and conspiracy theorist. He is the chairman and founder of Children's Health Defense, an anti-vaccine advocacy group,[1][2] and an independent candidate in the 2024 presidential ...
- 6
- Democratic (until 2023)
- Kennedy family
- Independent (since 2023)
Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses.[1] Symptoms typically start anywhere between two days and three weeks after infection.[3] The first symptoms are usually fever, sore throat, muscle pain, and headaches.[1] These ...
- Ebolaviruses spread by direct contact
- Supportive care
- Atoltivimab/maftivimab/odesivimab (Inmazeb)
Recorded 4 October 1994. Nelson Rolihlahla Mandela ( / mænˈdɛlə / man-DEH-lə; [1] Xhosa: [xolíɬaɬa mandɛ̂ːla]; born Rolihlahla Mandela; 18 July 1918 – 5 December 2013) was a South African anti-apartheid activist, politician, and statesman who served as the first president of South Africa from 1994 to 1999. He was the country's ...
- History
- Funding
- Content
- Criticism
- Recognition
Starting in 2004, Salman "Sal" Khan began tutoring one of his cousins in mathematics on the Internet using a service called Yahoo! Doodle Images. After a while, Khan's other cousins began to use his tutoring service. Due to the demand, Khan decided to make his videos watchable on the Internet, so he published his content on YouTube. Later, he used ...
Khan Academy is a 501(c)(3) nonprofit organization, mostly funded by donations from philanthropic organizations. On its IRS form 990, the organization reported $31 million in revenues in 2018 and $28 million in 2019, including $839,000 in 2019 compensation for Khan as CEO. In 2010, Google donated $2 million for creating new courses and translating ...
Khan Academy's website aims to provide a free high-quality education to anyone, built on videos hosted on YouTube. The website is meant to be used as a supplement to the videos, because it includes other features such as progress tracking, practice exercises, and teaching tools. The material can also be accessed through mobile applications. The vid...
Khan Academy has been criticized because its creator, Sal Khan, lacks a formal background or qualifications in pedagogy. Statements made in certain mathematics and physics videos have been questioned for their technical accuracy.In response to these criticisms, the organization has corrected errors in its videos, expanded its faculty, and formed a ...
Khan and Khan Academy have gained recognition both in the US and internationally: 1. In April 2012, Khan was listed among TIME's 100 Most Influential People for 2012. 2. In 2012, Khan Academy won a Webby Award in the category Websites and Mobile Sites, Education. 3. Khan was one of five winners of the 2013 Heinz Award. His award was in the area of ...
Frequency. 30 (wild) + 856 (vaccine-derived) in 2022 [4] Poliomyelitis ( / ˌpoʊlioʊˌmaɪəˈlaɪtɪs / POH-lee-oh-MY-ə-LY-tiss ), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion ...
