[lemma=surgical]? ([tag=□] □ | □)
[lemma=surgical]? ([tag=NNS] □ | □)
Also known as lady beetles or ladybirds , these insects ( coccinellids ) have rounded bodies and bright red , orange , or yellow wing covers , which usually bear an array of contrasting black spots or other markings . " The team 's approach differed significantly from that used by Adleman and others who have taken up the challenge of molecular computing . In the 1970s , Schroeder and two collaborators undertook a major acoustical study of more than 20 famous European concert halls . For designers , it was like trying to type a paragraph without using , say , the letter " d. " Now that improved digital recordings , electronic instruments , and home theater systems are readily available , demand has increased for superior acoustic surroundings for making and listening to recordings . " Walker noted that department officials had learned from their Deepwater problems and are moving more cautiously on the program , which covers both physical fencing and beefing up cameras , sensors and other technology on the border , and have been allocating funds for only small portions at a time .