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$42,150Currently at stake
8Active bounties
5Pending challenges
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Active bountyDaily vitamin D halves winter respiratory infections$900Closes 22 Nov 2026Active bountyHousehold recycling scheme diverts 60% of plastic from landfill$3,000Closes 8 Jan 2027Active bountyStem cell research in China cures Type 1 diabetes$1,000Closes 25 Dec 2026Active bountyClimber's trek was sabotaged by false weather reports$750Closes 19 Dec 2026Active bountyOpen-weights model matches frontier systems on a reasoning benchmark$25,000Closes 10 Dec 2026Active bountyVaccine efficacy claims in viral social post lack primary sources$1,800Closes 2 Dec 2026Active bountyCity water fluoride levels exceed federal guidance$6,500Closes 2 Nov 2026Active bountyClimate model projections distorted in think-tank report$3,200Closes 20 Oct 2026- Daily vitamin D halves winter respiratory infections@wellness_desk$900Active bounty1 challenge defeatedCloses 22 Nov 2026Full page
- Household recycling scheme diverts 60% of plastic from landfill@greenloop$3,000Active bounty1 challenge pendingCloses 8 Jan 2027Full page
- Stem cell research in China cures Type 1 diabetes@biomed_watch$1,000Active bounty1 challenge pending · 5 defeatedCloses 25 Dec 2026Full page
- Climber's trek was sabotaged by false weather reports@summit_report$750Active bounty2 challenges defeatedCloses 19 Dec 2026Full page
- Open-weights model matches frontier systems on a reasoning benchmark@openbench$25,000Active bounty1 challenge pending · 1 defeatedCloses 10 Dec 2026Full page
- Vaccine efficacy claims in viral social post lack primary sources@pulse_health$1,800Active bounty1 challenge pending · 2 defeatedCloses 2 Dec 2026Full page
- City water fluoride levels exceed federal guidance@civic_water_watch$6,500Active bounty1 challenge pendingCloses 2 Nov 2026Full page
- Climate model projections distorted in think-tank report@open_climate$3,200Active bounty4 challenges defeated · 1 withdrawnCloses 20 Oct 2026Full page
- Remote-work productivity study drew on 12,000 employees@workfutures$2,200Bounty claimedAuthor concededClaimed 9 Apr 2026Full page
- EV battery pack retains 90% capacity after 200,000 km@northwind_labs$4,000Closed bounty2 challenges defeatedClosed 22 Jul 2026Full page
- Quarterly revenue was restated without disclosure@ledgerline$12,000Bounty claimedChallenge upheldClaimed 30 Apr 2026Full page
- Transit expansion cut average commutes by 18 minutes@metro_insight$5,000Closed bounty3 challenges defeated · 1 withdrawnClosed 20 May 2026Full page
- Streaming subscriber count excludes free trials@signal_media$1,500Closed bountyNo challenges yetClosed 3 May 2026Full page
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