Extract Strawberry DNA
Follow a kitchen science guide to pull DNA from a strawberry using salt, dish soap and rubbing alcohol. Post a photo.
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Science · Facts & stats · iChallenge network
Daily facts and stats about dna, genes and genetics, plus real challenges to put them to work.
The Human Genome Project was declared complete in which year?
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One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Follow a kitchen science guide to pull DNA from a strawberry using salt, dish soap and rubbing alcohol. Post a photo.
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Chart one visible trait, like eye color, across family photos. Post a short write-up.
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Learn one genetics fact each day and note it. Check in once a day.
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Live counts from DNAChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on DNAChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
They ramp — early rounds are approachable, streaks unlock harder sets.
Yes, via the contact form; credited if used.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.