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6 Cans of Purina Friskies Wet cat Food 5.5oz ea (Prime Filets wi

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Albert Einstein: I used to wonder how it comes about that the electron is negative. Negative-positive—these are perfectly symmetric in physics. There is no reason whatever to prefer one to the other. Then why is the electron negative? I thought about this for a long time and at last all I could think was “It won the fight!” ...(more by Einstein)

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Richard Feynman: It is the facts that matter, not the proofs. Physics can progress without the proofs, but we can't go on without the facts ... if the facts are right, then the proofs are a matter of playing around with the algebra correctly. ...(more by Feynman)
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Today in Science History Quiz

In the margin of most pages, there is a multiple-choice quiz. Each page has a question served randomly from the database. Although there are some easy questions, others are designed to be challenging — to make you think. If you pick the right answer, congratulations. Three times in a row you can be very proud. Some questions should leave you feeling you found out something you hadn't thought about very much before. Enjoy! ... (quiz on this page)

Today in Science Newsletter

Sign up for the email newsletter, and you will receive a daily dose of the science events and people for that day. Each newsletter may include a description and link to a feature article, some quotations from the scientists born or died on the day, and some quiz questions. Some days the scientist names or events are very familiar, and the questions are easier. Other days, the questions should raise your interest in knowing about the lesser known scientists. There is a link to instant answers online, or they also come in the next day's newsletter. ... (sign up)

Today in Science Wall Calendar

You can print out a calendar page for each month of the year which has a thumbnail picture related to a science anniversary on each day. Usually it will be on the person's birth day, some are on the date of death, and a few are for an event. ... (more)




Philo T. FarnsworthGeorge Washington CarverJonas SalkHenry FordOrville WrightWilbur WrightAlbert EinsteinCharles H. TownesCharles SteinmetzJ. C. R. LickliderJohn Von NeumannWilliam H. Gates IIIRobert GoddardJames Dewey WatsonWallace Hume CarothersRachel CarsonWillis CarrierGertrude ElionEdwin H. ArmstrongRobert NoyceThomas EdisonClick to go to Page for TODAY
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John Keynes
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Max Planck
Henry Adams
Richard Dawkins
Werner Heisenberg
Alfred Wegener
John Dalton
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Edward Wilson
Johannes Kepler
Gustave Eiffel
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JJ Thomson
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Archimedes
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