Life After People
A look at what would happen if humans disappeared from Earth. How would ecology adapt and change to cope with the lack of human beings, and what will the earth look like into a future without humans.
Human Population Through Time
It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. But growth has begun slowing, as women have fewer babies on average. When will our global population peak? And how can we minimize our impact on Earth’s resources, even as we approach 11 billion? Download the video in HD: http://media.amnh.org/sciencebulletins/AMNH_HumanPopulation_DOWNLOAD.mp4 Related content: Population Connection http://worldpopulationhistory.org/map/1/mercator/1/0/25/ UN World Population Prospects https://esa.un.org/unpd/wpp/ Real-time population counter http://www.worldometers.info/world-population/ NASA EarthData https://earthdata.nasa.gov NASA Socioeconomic Data and Applications Center http://sedac.ciesin.columbia.edu Video credits: Writer/Producer AMNH/L. Moustakerski Animator AMNH/S. Krasinski Sound Design AMNH/J. Morfoot Scientific Advisors AMNH/S. Macey AMNH/J. Zichello Center for Biodiversity and Conservation Images PhyloPic David Hillis, Derrick Zwickl, and Robin Gutell, University of Texas World Population used courtesy of Population Connection, ©2015 Other Population Data Sources Population Connection United Nations, “World Population Prospects: 2015 Revision” US Census Bureau Maps and Event Sources Encyclopedia Britannica Inner Asian & Uralic National Resource Center NASA NOAA Needham, J. Science and Civilisation in China TimeMaps Trans-Atlantic Slave Trade Database
Megastructures - New South Pole Station Documentary National Geographic.
Megastructures - South Pole Station Documentary National Geographic. Largest Digging machine World's biggest digging machine national geographic
India (Bharat) The Mother of Most Inventions. Must Watch.. (History Channel)
Albert Einstein said: We owe a lot to the Indians (Hindus), Who taught us how to count, without which no worthwhile scientific discovery could have been made. Mark Twain said: India is, the Cradle of the Human race, the birthplace of human speech, the Mother of history, the grandmother of legend, and the great grand mother of tradition. Our most valuable and most instructive materials in the history of Mankind are treasured up in India only. French scholar Romain Rolland said: If there is one place on the face of earth where all the dreams of living men have found a home from the very earliest days when Man began the dream of existence, it is India. Hu Shih, former Ambassador of China to USA said: India conquered and dominated China culturally for 20 centuries without ever having to send a single soldier across the border.Keith Bellows, National Geographic Society Said : "There are some parts of the world that, once visited, get into your heart and won't go. For me, India is such a place. When I first visited, I was stunned by the Richness of the land, by its lushbeauty and exotic architecture, by its ability to overload the senses with the pure, concentrated intensity of its colors, smells, tastes, and sounds... I had been seeing the World in black & white and,when brought face-to-face with India, experienced everything re-rendered in brilliant Technicolor."You may know some of these facts. These Facts were recently published in a German magazine, which deals with World history Facts about India. 1. India never invaded any country in her last 10000 years of history. 2. India invented the Number System. Zero was invented by Aryabhatta. 3. The World's first university was established in Takshila in700BC. More than 10,500 students from all over the world studied more than 60subjects. The University of Nalanda built in the 4th century BC was one of the greatest achievements of ancient India in the field of education. 4. Sanskrit is the mother of all the European languages. Sanskrit is the most suitable language for computer software - a report in Forbes magazine, July 1987. 5. Ayurveda is the earliest schoolof medicine known to humans. Charaka, the father of medicine consolidated Ayurveda 2500 years ago.Today Ayurveda is fast regaining it's rightful place in our civilization. 6. Although modern images of India often show poverty and lack of development, India was the richest country on earth until the time of British invasion in the early 17th Century. Christopher Columbus was attracted by India's wealth. 7. The art of Navigation was born in the river Sindh 6000 years ago. The very word Navigation is derived from the Sanskrit word NAVGATIH. The word navy is also derived from Sanskrit'Nou'. 8. Bhaskaracharya calculated the time taken by the earth to orbit the sun hundreds of yearsbefore the astronomer Smart. Time taken by earth to orbit the sun: (5th century)365.258756484 days. 9. The value of "pi" was first calculated by Budhayana, and he explained the concept of what is known as the Pythagorean Theorem. He discovered this in the 6th century long before the European mathematicians. 10.Algebra, Trigonometry and Calculus came from India. Quadratic equations were by Sridharacharya in the 11th century. The largest numbers the Greeks and the Romans used were 106 where as Hindus used numbers as big as10**53(10 to the power of 53)with specific names as early as 5000 BCE during the Vedic period. Even today, the largest used number is Tera 10**12(10 to the power of 12). 11. According to the Gemological Institute of America, up until 1896, India was the only source for diamonds to the world. 12. USA based IEEE has proved what has been a century old suspicion in the world scientific community that the pioneer of wireless communication was Prof. Jagdeesh Bose and not Marconi. 13. The earliest reservoir and damfor irrigation was built in Saurashtra. 14. According to Saka King Rudradaman I of 150 CE a beautiful lake called'Sudarshana' was constructed on the hills of Raivataka during Chandragupta Maurya's time. 15. Chess (Shataranja or AshtaPada) was invented in India. 16. Sushruta is the father of surgery. 2600 years ago he and health scientists of his time conducted complicated surgeries like cesareans, cataract, artificial limbs,fractures, urinary stones and even plastic surgery and brain surgery. Usage of anesthesiawas well known in ancient India. Over 125 surgicalequipment were used. Deep knowledge of anatomy, physiology, etiology, embryology, digestion, metabolism, genetics andimmunity is also found in many texts. 17. When many cultures were only nomadic forest dwellers over 5000 years ago, Indians established Harappan culturein Sindhu Valley Indus ValleyCivilization) 18. The place value system, the decimal system was developed in India in 100 BC.---------------- Google search about Vaimanika Shastra Ancient Indian Aeronautics Technology it is about Aeroplane written in old Sanskrit.