Cosmic rays are subatomic particles from deep space that are constantly bombarding the Earth's atmosphere. Scientific American editor Phil Yam explains how they might play a role in seeding bolts of lightning.
Deadline: Aug 31 2013
Reward: $100,000 USD
The Geoffrey Beene Foundation Alzheimer’s Initiative (GBFAI) is launching the 2013 Geoffrey Beene Global NeuroDiscovery Challenge whose
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
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