Profile_bird

Hey there! ScienceCalendar is using Twitter.

Twitter is a free service that lets you keep in touch with people through the exchange of quick, frequent answers to one simple question: What's happening? Join today to start receiving ScienceCalendar's tweets.

Already using Twitter
from your phone? Click here.

ScienceCalendar

  1. Dec 2, 1929-Chinese archaeologists discovered the 700,000 year old skull of Homo erectus pekinensis, or Peking Man. about 11 hours ago from API
  2. Dec 1, 1743- Birthday of the German chemist Martin Klaproth, who discovered uranium. about 20 hours ago from web
  3. Nov. 30, 1974-In Ethiopia, paleontologists Donald Johanson/Tom Gray found the 3.2 million yo skeleton of female hominid, Lucy. 4:00 PM Nov 29th from web
  4. Nov. 29, 1803-Birthday of Christian Doppler, discovered sound waves shift frequency if source moves toward/away from observer. 4:00 PM Nov 28th from API
  5. Nov. 28, 1968-Astronomer Jocelyn Bell discovered the first pulsar. 4:00 PM Nov 27th from web
  6. Nov. 27, 1701-Birthday of physicist Anders Celsius, who invented Celsius temperature scale. 4:00 PM Nov 26th from API
  7. Nov. 26, 1837-Birthday of John Newlands, discovered when elements listed by atomic weight, every 8th element has similar properties. 4:00 PM Nov 25th from web
  8. Nov. 25, 1976-Einstein's general theory of relativity proved as Viking 1 spacecraft radio signal to Earth slowed down by Sun's gravity. 4:00 PM Nov 24th from API
  9. Nov. 24, 1859-Biologist Charles Darwin's book On the Origin of Species by Means of Natural Selection published. Sold out on 1st day. 4:00 PM Nov 23rd from API
  10. Nov. 23, 1869-Birthday of engineer Valdemar Poulsen, invented wire recording, ancestor of tape recorder and the computer hard drive. 4:00 PM Nov 22nd from web
  11. Nov. 22, 1969-Biochemist Jonathan Beckwith announced that he had isolated a single gene from a bacterium. 4:00 PM Nov 21st from web
  12. Nov. 21, 1998-High school students in Massachusetts, announced discovery of Kuiper Belt object about 100 miles in diameter. Named 1998 FS144 4:00 PM Nov 20th from web
  13. Nov. 20, 1889-Birthday of astronomer Edwin Hubble, showed that spiral nebulas are external galaxies outside the Milky Way. 4:00 PM Nov 19th from API
  14. Nov. 19, 1722-Birthday of Leopold Auenbrugger, developed technique of striking chest w/ short sharp taps to diagnose chest disorders. 4:00 PM Nov 18th from API
  15. Nov. 18, 1883-The U.S. introduced four standard time zones, a system which is still in use. 4:00 PM Nov 17th from API
  16. Nov. 17, 1902-Birthday of physicist Eugene Wigner, who wrote "The Unreasonable Effectiveness of Mathematics in the Natural Sciences." 4:00 PM Nov 16th from web
  17. Nov. 16, 1974-The Arecibo radio telescope in Puerto Rico broadcast 1st interstellar message, consisting of 1,679 ones and zeroes. 4:00 PM Nov 15th from API
  18. Nov. 15, 1738-Birthday of astronomer William Herschel, who discovered Uranus. 4:00 PM Nov 14th from web
  19. Nov. 14, 1792-Birthday of Charles Lyell, wrote The Principles of Geology. Showed Earth must be at least several hundred million years old. 4:00 PM Nov 13th from web
  20. Nov. 13, 1971-U.S. spacecraft Mariner 9 became 1st artificial satellite of another planet when it entered orbit around Mars. 4:00 PM Nov 12th from API
  • Name Calendar of Science
  • Location Seattle, WA
  • Web http://www.pacifi...
  • Bio The daily Calendar of Science is a service of Pacific Science Center. Follow @PacSci for more.
0 Following 1,004 Followers 36 Listed