Caffeine content can range from as much as 160 milligrams in some energy drinks to as little as 4 milligrams in a 1-ounce serving of chocolate-flavored syrup. Even decaffeinated coffee isn't completely free of caffeine. Caffeine is also present in some over-the-counter pain relievers, cold medications, and diet pills.
wren. noun. 1  Any of various small brownish songbirds of the family Troglodytidae, having rounded wings, a slender bill, and a short, often erect tail. 2  All species but one, which is Eurasian, are found only in the Americas. 3  Any of various similar unrelated songbirds.
[ more ]. Wren is an uncommon first name for females but a very popular last name for both adults and children (#3092 out of 150436, Top 2%).(2000 U.S. Census). Presented below is the baby name popularity of Wren for girls. Wren was first listed in 2013 and reached its highest rank of #704 in the U.S. in 2014. more ]. Wren is an uncommon first name for females but a very popular last name for both adults and children (#3092 out of 150436, Top 2%).