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December 19, 2016
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December 24, 2012
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July 22, 2013
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November 5, 2012
2515 answers, 39% correct Which of these elements can be dated using the carbon-14 method?
July 25, 2016
2473 answers, 27% correct Sexually frustrated male Drosophila flies:
January 5, 2015
2466 answers, 42% correct Water vapor...
March 30, 2015
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July 7, 2014
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September 14, 2015
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September 22, 2014
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November 19, 2012
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July 3, 2017
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November 26, 2012
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March 31, 2014
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February 16, 2015
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June 30, 2014
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August 19, 2013
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March 18, 2013
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April 11, 2016
2211 answers, 49% correct Why do rats run alongside walls?
December 15, 2014
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February 11, 2013
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February 25, 2013
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August 28, 2017
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July 8, 2013
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August 18, 2014
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February 27, 2012
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October 22, 2012
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November 17, 2014
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January 28, 2013
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March 5, 2012
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September 20, 2010
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February 27, 2017
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March 4, 2013
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December 1, 2014
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March 14, 2016
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November 12, 2012
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April 10, 2017
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May 27, 2013
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May 18, 2015
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October 14, 2013
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January 21, 2013
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September 9, 2013
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February 18, 2013
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January 16, 2012
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September 23, 2013
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October 31, 2016
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December 17, 2012
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December 3, 2012
1754 answers, 44% correct Why is the interior of the earth so hot?
July 20, 2015
1752 answers, 24% correct Locusts become deaf:
September 7, 2015
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July 2, 2012
1734 answers, 30% correct What’s the first thing humanity will run out of?
February 20, 2012
1728 answers, 63% correct Ice skates glide across the ice because…
October 6, 2014
1724 answers, 15% correct What record was recently broken in Antarctica?
April 30, 2012
1717 answers, 63% correct The more bubbles there are in your champagne glass...
October 13, 2014
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March 25, 2013
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October 8, 2012
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January 11, 2017
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May 29, 2012
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February 17, 2014
1661 answers, 60% correct In Switzerland, Föhn winds are so warm because:
January 27, 2014
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January 6, 2014
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August 25, 2014
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March 12, 2012
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April 15, 2013
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July 16, 2012
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January 14, 2013
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February 22, 2016
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September 17, 2012
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August 10, 2015
1583 answers, 75% correct All space debris is monitored from Earth, with the exception of:
July 1, 2013
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November 27, 2017
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October 29, 2012
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May 14, 2012
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August 26, 2013
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June 2, 2014
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December 10, 2012
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September 12, 2016
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June 29, 2015
1509 answers, 32% correct It is thought that water – maybe more than all the oceans put together – can be found over 400 km underground following the discovery of:
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May 4, 2015
1502 answers, 37% correct Cows are more vulnerable to nearby lightning strikes than humans because of:
December 21, 2015
1499 answers, 51% correct What is that whitish coating that sometimes appears on the surface of chocolate?
September 30, 2013
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July 4, 2016
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August 12, 2013
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November 25, 2013
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July 18, 2016
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February 4, 2013
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April 22, 2013
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June 17, 2013
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December 2, 2013
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February 2, 2015
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April 22, 2013
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July 31, 2017
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May 26, 2014
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December 14, 2015
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September 13, 2010
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September 26, 2016
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May 19, 2014
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October 24, 2016
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January 20, 2014
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November 11, 2013
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December 28, 2015
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June 24, 2013
1388 answers, 39% correct The chemical composition of tears:
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April 29, 2013
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June 25, 2012
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January 25, 2016
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November 18, 2013
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May 13, 2013
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September 16, 2013
1345 answers, 50% correct Mint is refreshing because the menthol it contains:
June 10, 2013
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January 31, 2012
1338 answers, 16% correct There are fewer left-handed people because:
May 6, 2013
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June 18, 2012
1335 answers, 67% correct Our internal biological clocks are regulated primarily by:
August 31, 2015
1331 answers, 35% correct The mass of our planet (and its atmosphere) is:
February 23, 2015
1330 answers, 60% correct What causes the characteristic smell when it starts to rain?
May 7, 2012
1327 answers, 46% correct Airplane contrails have an important influence on:
March 16, 2017
1324 answers, 75% correct What crops can we now grow on Mars?
May 20, 2013
1317 answers, 64% correct Many satellites orbit the earth at an altitude of 36,000 km because...
March 19, 2012
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April 14, 2014
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March 23, 2015
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June 22, 2015
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April 23, 2012
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May 1, 2017
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June 19, 2017
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February 9, 2015
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March 24, 2014
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June 20, 2016
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March 17, 2014
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May 30, 2016
1272 answers, 52% correct Ice ages are mainly the result of:
September 25, 2017
1271 answers, 33% correct What factor influences an orchid’s fragrance?
April 1, 2013
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March 3, 2014
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October 25, 2010
1255 answers, 36% correct Water freezes
October 7, 2013
1255 answers, 43% correct Nettles in soup don’t sting because:
February 1, 2016
1248 answers, 38% correct After a prolonged period of time in space, astronauts might experience:
June 11, 2012
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November 13, 2017
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October 19, 2015
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June 16, 2014
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April 16, 2012
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November 6, 2011
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November 2, 2015
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June 13, 2011
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November 10, 2014
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October 20, 2014
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May 21, 2012
1198 answers, 25% correct In which environment do tetanus bacteria proliferate?
May 5, 2014
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November 30, 2015
1194 answers, 53% correct 24,000 years ago, the EPFL campus would have been:
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1186 answers, 29% correct It’s hard to kill a fly because:
September 11, 2017
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May 23, 2016
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December 9, 2013
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April 8, 2013
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January 31, 2011
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April 21, 2014
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September 1, 2014
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February 15, 2016
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March 7, 2016
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October 17, 2011
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April 7, 2014
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August 24, 2015
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November 13, 2011
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March 21, 2016
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August 21, 2017
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October 3, 2011
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