Didinium is a voracious hunter of live food, namely Paramecium. It is found quite commonly in freshwater habitats such as ponds and other still waters. It is in constant motion, swimming around in search of prey.
1938 S Jefferson Nickel. CoinTrackers.com has estimated the 1938 S Jefferson Nickel value at an average of $3, one in certified mint state (MS+) could be worth $50.(see details)...umismatic Value: $3 to $50.00. Value: As a rough estimate of this coins value you can assume this coin in average condition will be valued at somewhere around $3, while one in certified mint state (MS+) condition could bring as much as $50 at auction.
The most current price of scrap 70/30 brass (also known as cartridge brass) is between $1.31-$1.33 per pound, depending on where you are in the United States. 80/20 brass (phosphor bronze) will sell for $1.54 per pound in North America. Scrap Monster puts brass radiator scrap prices at $1.15 per pound, while others prices scrap at $1.38. So, depending on where you are in the Untied States and what company you sell to, prices are going to vary.