Exploring Mars â Water-ice clouds, polar ice and other geographic features can be seen in this full-disk image of Mars from 2011. NASA's Mars Curiosity Rover touched down on the planet on August 6, 2012. Take a look at stunning photographs of Mars over the years. Check out images from the Mars rover Curiosity.
Ethash is the proof-of-work function in Ethereum-based blockchain currencies. It uses Keccak, a hash function eventually standardized to SHA-3. These two are different, and should not be confused. From version 1.0 Ethash has been designed to be ASIC-resistant via memory-hardness (harder to implement in special ASIC chips) and easily verifiable. It also uses a slightly modified version of earlier Dagger and Hashimoto hashes to remove computational overhead.
Alcohol dehydrogenase (ADH), an enzyme in the liver and also found in the lining of the stomach, is responsible for the breakdown of ethylene glycol. Ethylene glycol is sequentially metabolized into 1  : Glycoaldehyde. 2  Glycolic acid (from glycoaldehyde)  Glycoxylic acid (from glycolic acid)