We asked 100 scientists about unsolved problems in their fields. They sent back provocations — on the origins of life, the ...

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See if you can still remember the science basics you learned in elementary school.

Bill Nye uses the power of Twitter to once again answer common questions about science. When will teleportation happen? Will tardigrades take over the moon? How do planes work? What does a neutron do?

years ago in a cave near Les Eyzies in the Dordogne, France. Credit: SEARCHING: Our Quest for Meaning in the Age of Science Dr. Alan Lightman has been around the block a few times. Over the past five ...

What do you mean you don’t know? Dardariel/Shutterstock If a child asked you how close an astronaut can get to the sun, the chances are you’d need a moment – or perhaps a search engine – to figure it ...

1. Question: At what temperature are Celsius and Fahrenheit equal? Answer: -40 degrees. 103. Question: How many planets can be seen from Earth without a telescope? Answer: Five (Mercury, Venus, Mars, ...

What are some questions science can never answer? originally appeared on Quora - the place to gain and share knowledge, empowering people to learn from others and better understand the world. Answer ...