Although the Carbon 14 method of dating old objects is not foolproof , it is the best method available at present
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Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.
Thecontrolsofmostmodernairplanescanbeoperatedeithermanuallyorautomatically.
HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.