The ledger

17 open claims with no deadline, open until they happen

All desks Climate Far future Markets Politics Science Space Sports Technology
  1. Space No. 00049 When

    When will humans first land on Mars?

    Faz's date 2045 most likely 2036–2075 1 defend it will happen (2059) · 0 defend it won’t

    1 question 2 answers One question, one date

  2. Markets No. 00080 When

    When will China's GDP in US dollars pass America's?

    Faz's date 2048 most likely 2036–2066 No positions yet

    1 question 3 answers One question, one date

  3. Climate No. 00081 When

    When will the Arctic Ocean first be practically ice-free in September?

    Faz's date 2048 most likely 2036–2072 No positions yet

    1 question 3 answers One question, one date

  4. Space No. 00082 When

    When will astronauts walk on the Moon again?

    Faz's date 2030 most likely 2028–2034 No positions yet

    1 question 3 answers One question, one date

  5. Sports No. 00083 When

    When will a man run 100 metres faster than 9.58 seconds?

    Faz's date 2056 most likely 2032–2089 No positions yet

    1 question 3 answers One question, one date

  6. Technology No. 00084 When

    When will a magnetic-confinement fusion device reach scientific gain (Q > 1)?

    Faz's date 2030 most likely 2028–2042 No positions yet

    1 question 3 answers One question, one date

  7. Science No. 00085 When

    When will the FDA approve a gene-editing therapy that works inside the body?

    Faz's date 2027 most likely 2027–2030 No positions yet

    1 question 2 answers One question, one date

  8. Climate No. 00086 When

    When will solar generate more electricity than coal worldwide?

    Faz's date 2036 most likely 2032–2044 No positions yet

    1 question 2 answers One question, one date

  9. Politics No. 00089 When

    When will the European Union have 30 member states?

    Faz's date 2035 most likely 2031–2052 No positions yet

    1 question 2 answers One question, one date

  10. Science No. 00090 When

    When will the world go a full calendar year with no wild poliovirus cases?

    Faz's date 2031 most likely 2028–2046 No positions yet

    1 question 2 answers One question, one date

  11. Climate No. 00091 When

    When will global warming pass 1.5°C on a 20-year average?

    Faz's date 2029 most likely 2027–2033 No positions yet

    1 question 2 answers One question, one date

  12. Technology No. 00092 When

    When will a quantum computer break a 2048-bit RSA key?

    Faz's date 2042 most likely 2034–2068 No positions yet

    1 question 2 answers One question, one date

  13. Far future No. 00093 When

    When will the world's population peak?

    Faz's date 2078 most likely 2060–2094 No positions yet

    1 question 2 answers One question, one date

  14. Science No. 00094 When

    When will a pig kidney keep a patient off dialysis for a full year?

    Faz's date 2027 most likely 2026–2031 No positions yet

    1 question 2 answers One question, one date

  15. Technology No. 00095 When

    When will driverless taxis carry paying riders in 25 US metro areas?

    Faz's date 2028 most likely 2027–2031 No positions yet

    1 question 2 answers One question, one date

  16. Space No. 00096 When

    When will people live on the Moon for a full year without a break?

    Faz's date 2050 most likely 2040–2078 No positions yet

    1 question 2 answers One question, one date

  17. Space No. 00097 When

    When will two spacecraft first transfer cryogenic propellant at full scale in Earth orbit?

    Faz's date 2028 most likely 2027–2033 No positions yet

    1 question 2 answers One question, one date

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